ACPICA: Fix operand resolution #165
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[ Upstream commit 5d05426 ] blk_mq_run_hw_queues() could be run when there isn't queued request and after queue is cleaned up, at that time tagset is freed, because tagset lifetime is covered by driver, and often freed after blk_cleanup_queue() returns. So don't touch ->tagset for figuring out current default hctx by the mapping built in request queue, so use-after-free on tagset can be avoided. Meantime this way should be fast than retrieving mapping from tagset. Cc: "yukuai (C)" <[email protected]> Cc: Jan Kara <[email protected]> Fixes: b6e68ee ("blk-mq: Improve performance of non-mq IO schedulers with multiple HW queues") Signed-off-by: Ming Lei <[email protected]> Reviewed-by: Jan Kara <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit e4dd748 ] There are multiple xDR and xFR registers, the index is from 0 to 7. FSL_SAI_xDR and FSL_SAI_xFR is abandoned, replace them with FSL_SAI_xDR0 and FSL_SAI_xFR0. Fixes: 4f7a072 ("ASoC: fsl_sai: Add support for SAI new version") Signed-off-by: Shengjiu Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 9c04a8f ] The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO. Fixes: 8935527 ("clocksource/drivers/oxnas-rps: Add Oxford Semiconductor RPS Dual Timer") Signed-off-by: Krzysztof Kozlowski <[email protected]> Reviewed-by: Neil Armstrong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Daniel Lezcano <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit bd52cd5 ] The argument of scatterwalk_unmap() is supposed to be the void* that was returned by the previous scatterwalk_map() call. The s390 AES-GCM implementation was instead passing the pointer to the struct scatter_walk. This doesn't actually break anything because scatterwalk_unmap() only uses its argument under CONFIG_HIGHMEM and ARCH_HAS_FLUSH_ON_KUNMAP. Fixes: bf7fa03 ("s390/crypto: add s390 platform specific aes gcm support.") Signed-off-by: Jann Horn <[email protected]> Acked-by: Harald Freudenberger <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Heiko Carstens <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit ac1dbf5 ] If a relay receives an update message, it lookup a tunnel. and if there is no tunnel for that message, it should be treated as an error, not a success. But amt_update_handler() returns false, which means success. Fixes: cbc21dc ("amt: add data plane of amt interface") Signed-off-by: Taehee Yoo <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 1a1a0e8 ] If an amt receives packets and it finds socket. If it can't find a socket, it should free a received skb. But it doesn't. So, a memory leak would possibly occur. Fixes: cbc21dc ("amt: add data plane of amt interface") Signed-off-by: Taehee Yoo <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit b3b1a17 ] In the process of checking whether RDMAv2 is available, the current implementation first sets ini->smcrv2.ib_dev_v2, and then allocates smc buf desc and register rmb, but the latter may fail. In this case, the pointer should be reset. Fixes: e49300a ("net/smc: add listen processing for SMC-Rv2") Signed-off-by: liuyacan <[email protected]> Reviewed-by: Karsten Graul <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 61bf40e ] The driver may return a timeout error even if the status register indicates that the transfer may proceed. Fix this by restructuring the polling loop. Fixes: 89b35e3 ("spi: fsi: Implement a timeout for polling status") Signed-off-by: Eddie James <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit a35faec ] The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds access. Fixes: e27c41d ("drm/amd/display: Support for DMUB HPD interrupt handling") Reviewed-by: Harry Wentland <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit b58cdd4 ] At the moment, if devm_of_phy_get() returns an error the serdes simply isn't set. While it is bad to ignore an error in general, there is a particular bug that network isn't working if the serdes driver is compiled as a module. In that case, devm_of_phy_get() returns -EDEFER_PROBE and the error is silently ignored. The serdes is optional, it is not there if the port is using RGMII, in which case devm_of_phy_get() returns -ENODEV. Rearrange the error handling so that -ENODEV will be handled but other error codes will abort the probing. Fixes: d28d6d2 ("net: lan966x: add port module support") Signed-off-by: Michael Walle <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit a54ce37 ] In qdisc_run_begin(), smp_mb__before_atomic() used before test_bit() does not provide any ordering guarantee as test_bit() is not an atomic operation. This, added to the fact that the spin_trylock() call at the beginning of qdisc_run_begin() does not guarantee acquire semantics if it does not grab the lock, makes it possible for the following statement : if (test_bit(__QDISC_STATE_MISSED, &qdisc->state)) to be executed before an enqueue operation called before qdisc_run_begin(). As a result the following race can happen : CPU 1 CPU 2 qdisc_run_begin() qdisc_run_begin() /* true */ set(MISSED) . /* returns false */ . . /* sees MISSED = 1 */ . /* so qdisc not empty */ . __qdisc_run() . . . pfifo_fast_dequeue() ----> /* may be done here */ . | . clear(MISSED) | . . | . smp_mb __after_atomic(); | . . | . /* recheck the queue */ | . /* nothing => exit */ | enqueue(skb1) | . | qdisc_run_begin() | . | spin_trylock() /* fail */ | . | smp_mb__before_atomic() /* not enough */ | . ---- if (test_bit(MISSED)) return false; /* exit */ In the above scenario, CPU 1 and CPU 2 both try to grab the qdisc->seqlock at the same time. Only CPU 2 succeeds and enters the bypass code path, where it emits its skb then calls __qdisc_run(). CPU1 fails, sets MISSED and goes down the traditionnal enqueue() + dequeue() code path. But when executing qdisc_run_begin() for the second time, after enqueuing its skbuff, it sees the MISSED bit still set (by itself) and consequently chooses to exit early without setting it again nor trying to grab the spinlock again. Meanwhile CPU2 has seen MISSED = 1, cleared it, checked the queue and found it empty, so it returned. At the end of the sequence, we end up with skb1 enqueued in the backlog, both CPUs out of __dev_xmit_skb(), the MISSED bit not set, and no __netif_schedule() called made. skb1 will now linger in the qdisc until somebody later performs a full __qdisc_run(). Associated to the bypass capacity of the qdisc, and the ability of the TCP layer to avoid resending packets which it knows are still in the qdisc, this can lead to serious traffic "holes" in a TCP connection. We fix this by replacing the smp_mb__before_atomic() / test_bit() / set_bit() / smp_mb__after_atomic() sequence inside qdisc_run_begin() by a single test_and_set_bit() call, which is more concise and enforces the needed memory barriers. Fixes: 89837eb ("net: sched: add barrier to ensure correct ordering for lockless qdisc") Signed-off-by: Vincent Ray <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
…entry() [ Upstream commit e7e7104 ] The "fsp->location" variable comes from user via ethtool_get_rxnfc(). Check that it is valid to prevent an out of bounds read. Fixes: 7aab747 ("net: ethernet: mediatek: add ethtool functions to configure RX flows of HW LRO") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 5dd89d2 ] of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. am65_cpsw_init_cpts() and am65_cpsw_nuss_probe() don't release the refcount in error case. Add missing of_node_put() to avoid refcount leak. Fixes: b1f66a5 ("net: ethernet: ti: am65-cpsw-nuss: enable packet timestamping support") Fixes: 93a7653 ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Miaoqian Lin <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 02ded5a ] of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. mv88e6xxx_mdio_register() pass the device node to of_mdiobus_register(). We don't need the device node after it. Add missing of_node_put() to avoid refcount leak. Fixes: a3c53be ("net: dsa: mv88e6xxx: Support multiple MDIO busses") Signed-off-by: Miaoqian Lin <[email protected]> Reviewed-by: Marek Behún <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit b5beffa ] With the `-z unique-symbol` linker flag or any similar mechanism, it is possible to trigger the following: ERROR: modpost: "param_set_uint.0" [vmlinux] is a static EXPORT_SYMBOL The reason is that for now the condition from remove_dot(): if (m && (s[n + m] == '.' || s[n + m] == 0)) which was designed to test if it's a dot or a '\0' after the suffix is never satisfied. This is due to that `s[n + m]` always points to the last digit of a numeric suffix, not on the symbol next to it (from a custom debug print added to modpost): param_set_uint.0, s[n + m] is '0', s[n + m + 1] is '\0' So it's off-by-one and was like that since 2014. Fix this for the sake of any potential upcoming features, but don't bother stable-backporting, as it's well hidden -- apart from that LD flag, it can be triggered only with GCC LTO which never landed upstream. Fixes: fcd38ed ("scripts: modpost: fix compilation warning") Signed-off-by: Alexander Lobakin <[email protected]> Reviewed-by: Petr Mladek <[email protected]> Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 8a7322a ] Avoid return freed memory addresses,Modified to the actual error return value of clk_register(). Fixes: 9645ccc ("ep93xx: clock: convert in-place to COMMON_CLK") Signed-off-by: Genjian Zhang <[email protected]> Acked-by: Alexander Sverdlin <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit c14adb1 ] If jffs2_iget() or d_make_root() in jffs2_do_fill_super() returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff888105a65340 (size 64): comm "mount", pid 710, jiffies 4302851558 (age 58.239s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff859c45e5>] kmem_cache_alloc_trace+0x475/0x8a0 [<ffffffff86160146>] jffs2_sum_init+0x96/0x1a0 [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120 [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810 [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0 [...] unreferenced object 0xffff8881bd7f0000 (size 65536): comm "mount", pid 710, jiffies 4302851558 (age 58.239s) hex dump (first 32 bytes): bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ backtrace: [<ffffffff858579ba>] kmalloc_order+0xda/0x110 [<ffffffff85857a11>] kmalloc_order_trace+0x21/0x130 [<ffffffff859c2ed1>] __kmalloc+0x711/0x8a0 [<ffffffff86160189>] jffs2_sum_init+0xd9/0x1a0 [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120 [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810 [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0 [...] -------------------------------------------- This is because the resources allocated in jffs2_sum_init() are not released. Call jffs2_sum_exit() to release these resources to solve the problem. Fixes: e631ddb ("[JFFS2] Add erase block summary support (mount time improvement)") Signed-off-by: Baokun Li <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
…t empty [ Upstream commit d09e9a2 ] There at least 6 PEBs reserved on UBI device: 1. EBA_RESERVED_PEBS[1] 2. WL_RESERVED_PEBS[1] 3. UBI_LAYOUT_VOLUME_EBS[2] 4. MIN_FASTMAP_RESERVED_PEBS[2] When all ubi volumes take all their PEBs, there are 3 (EBA_RESERVED_PEBS + WL_RESERVED_PEBS + MIN_FASTMAP_RESERVED_PEBS - MIN_FASTMAP_TAKEN_PEBS[1]) free PEBs. Since commit f9c34bb ("ubi: Fix producing anchor PEBs") and commit 4b68bf9 ("ubi: Select fastmap anchor PEBs considering wear level rules") applied, there is only 1 (3 - FASTMAP_ANCHOR_PEBS[1] - FASTMAP_NEXT_ANCHOR_PEBS[1]) free PEB to fill pool and wl_pool, after filling pool, wl_pool is always empty. So, UBI could be stuck in an infinite loop: ubi_thread system_wq wear_leveling_worker <-------------------------------------------------- get_peb_for_wl | // fm_wl_pool, used = size = 0 | schedule_work(&ubi->fm_work) | | update_fastmap_work_fn | ubi_update_fastmap | ubi_refill_pools | // ubi->free_count - ubi->beb_rsvd_pebs < 5 | // wl_pool is not filled with any PEBs | schedule_erase(old_fm_anchor) | ubi_ensure_anchor_pebs | __schedule_ubi_work(wear_leveling_worker) | | __erase_worker | ensure_wear_leveling | __schedule_ubi_work(wear_leveling_worker) -------------------------- , which cause high cpu usage of ubi_bgt: top - 12:10:42 up 5 min, 2 users, load average: 1.76, 0.68, 0.27 Tasks: 123 total, 3 running, 54 sleeping, 0 stopped, 0 zombie PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1589 root 20 0 0 0 0 R 45.0 0.0 0:38.86 ubi_bgt0d 319 root 20 0 0 0 0 I 15.2 0.0 0:15.29 kworker/0:3-eve 371 root 20 0 0 0 0 I 14.9 0.0 0:12.85 kworker/3:3-eve 20 root 20 0 0 0 0 I 11.3 0.0 0:05.33 kworker/1:0-eve 202 root 20 0 0 0 0 I 11.3 0.0 0:04.93 kworker/2:3-eve In commit 4b68bf9 ("ubi: Select fastmap anchor PEBs considering wear level rules"), there are three key changes: 1) Choose the fastmap anchor when the most free PEBs are available. 2) Enable anchor move within the anchor area again as it is useful for distributing wear. 3) Import a candidate fm anchor and check this PEB's erase count during wear leveling. If the wear leveling limit is exceeded, use the used anchor area PEB with the lowest erase count to replace it. The anchor candidate can be removed, we can check fm_anchor PEB's erase count during wear leveling. Fix it by: 1) Removing 'fm_next_anchor' and check 'fm_anchor' during wear leveling. 2) Preferentially filling one free peb into fm_wl_pool in condition of ubi->free_count > ubi->beb_rsvd_pebs, then try to reserve enough free count for fastmap non anchor pebs after the above prerequisites are met. Then, there are at least 1 PEB in pool and 1 PEB in wl_pool after calling ubi_refill_pools() with all erase works done. Fetch a reproducer in [Link]. Fixes: 4b68bf9 ("ubi: Select fastmap anchor PEBs ... rules") Link: https://bugzilla.kernel.org/show_bug.cgi?id=215407 Signed-off-by: Zhihao Cheng <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 8c03a1c ] There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link]. Fixes: 493cfae ("mtd: utilize new cdev_device_add helper function") Link: https://bugzilla.kernel.org/show_bug.cgi?id=215965 Signed-off-by: Zhihao Cheng <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
…oval [ Upstream commit 99dea2c ] 14c1746 ("random: remove unused tracepoints") removed all the tracepoints from drivers/char/random.c, one of which, random:urandom_read, was used by stacktrace_build_id selftest to trigger stack trace capture. Fix breakage by switching to kprobing urandom_read() function. Suggested-by: Yonghong Song <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected] Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 59ed76f ] Kernel function urandom_read is replaced with urandom_read_iter. Therefore, kprobe on urandom_read is not working any more: [root@eth50-1 bpf]# ./test_progs -n 161 test_stacktrace_build_id:PASS:skel_open_and_load 0 nsec libbpf: kprobe perf_event_open() failed: No such file or directory libbpf: prog 'oncpu': failed to create kprobe 'urandom_read+0x0' \ perf event: No such file or directory libbpf: prog 'oncpu': failed to auto-attach: -2 test_stacktrace_build_id:FAIL:attach_tp err -2 161 stacktrace_build_id:FAIL Fix this by replacing urandom_read with urandom_read_iter in the test. Fixes: 1b388e7 ("random: convert to using fops->read_iter()") Reported-by: Mykola Lysenko <[email protected]> Signed-off-by: Song Liu <[email protected]> Acked-by: David Vernet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit caff1fa ] I think there is something wrong with BPF_PROBE_MEM in ___bpf_prog_run() in big-endian machine. Let's make a test and see what will happen if we want to load a 'u16' with BPF_PROBE_MEM. Let's make the src value '0x0001', the value of dest register will become 0x0001000000000000, as the value will be loaded to the first 2 byte of DST with following code: bpf_probe_read_kernel(&DST, SIZE, (const void *)(long) (SRC + insn->off)); Obviously, the value in DST is not correct. In fact, we can compare BPF_PROBE_MEM with LDX_MEM_H: DST = *(SIZE *)(unsigned long) (SRC + insn->off); If the memory load is done by LDX_MEM_H, the value in DST will be 0x1 now. And I think this error results in the test case 'test_bpf_sk_storage_map' failing: test_bpf_sk_storage_map:PASS:bpf_iter_bpf_sk_storage_map__open_and_load 0 nsec test_bpf_sk_storage_map:PASS:socket 0 nsec test_bpf_sk_storage_map:PASS:map_update 0 nsec test_bpf_sk_storage_map:PASS:socket 0 nsec test_bpf_sk_storage_map:PASS:map_update 0 nsec test_bpf_sk_storage_map:PASS:socket 0 nsec test_bpf_sk_storage_map:PASS:map_update 0 nsec test_bpf_sk_storage_map:PASS:attach_iter 0 nsec test_bpf_sk_storage_map:PASS:create_iter 0 nsec test_bpf_sk_storage_map:PASS:read 0 nsec test_bpf_sk_storage_map:FAIL:ipv6_sk_count got 0 expected 3 $10/26 bpf_iter/bpf_sk_storage_map:FAIL The code of the test case is simply, it will load sk->sk_family to the register with BPF_PROBE_MEM and check if it is AF_INET6. With this patch, now the test case 'bpf_iter' can pass: $10 bpf_iter:OK Fixes: 2a02759 ("bpf: Add support for BTF pointers to interpreter") Signed-off-by: Menglong Dong <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jiang Biao <[email protected]> Reviewed-by: Hao Peng <[email protected]> Cc: Ilya Leoshkevich <[email protected]> Link: https://lore.kernel.org/bpf/[email protected] Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 403d503 ] Appartly bcache can copy into bios that do not just contain fresh pages but can have offsets into the bio_vecs. Restore support for tht in bio_copy_data_iter. Fixes: f8b679a ("block: rewrite bio_copy_data_iter to use bvec_kmap_local and memcpy_to_bvec") Signed-off-by: Christoph Hellwig <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 2895f18 ] Otherwise io will hung because request will only be completed if the cmd has the flag 'NBD_CMD_INFLIGHT'. Fixes: 07175cb ("nbd: make sure request completion won't concurrent") Signed-off-by: Yu Kuai <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 630f972 ] If EFI pages are marked as read-only, we should remove the _PAGE_WRITE flag. The current code overwrites an unused value. Fixes: b91540d ("RISC-V: Add EFI runtime services") Signed-off-by: Heinrich Schuchardt <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ard Biesheuvel <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
…ruct smc_wr_tx_pend_priv *" [ Upstream commit e225c9a ] "struct smc_cdc_tx_pend **" can not directly convert to "struct smc_wr_tx_pend_priv *". Fixes: 2bced6a ("net/smc: put slot when connection is killed") Signed-off-by: Guangguan Wang <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 4057037 ] We had various bugs over the years with code breaking the assumption that tp->snd_cwnd is greater than zero. Lately, syzbot reported the WARN_ON_ONCE(!tp->prior_cwnd) added in commit 8b8a321 ("tcp: fix zero cwnd in tcp_cwnd_reduction") can trigger, and without a repro we would have to spend considerable time finding the bug. Instead of complaining too late, we want to catch where and when tp->snd_cwnd is set to an illegal value. Signed-off-by: Eric Dumazet <[email protected]> Suggested-by: Yuchung Cheng <[email protected]> Cc: Neal Cardwell <[email protected]> Acked-by: Yuchung Cheng <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 0649e4d ] Only report pause frame configuration for physical device. Logical port of both PCI PF and PCI VF do not support it. Fixes: 9fdc5d8 ("nfp: update ethtool reporting of pauseframe control") Signed-off-by: Yu Xiao <[email protected]> Signed-off-by: Simon Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit ebd076b ] We want to have a valid live gendisk to call ->poll and not just a request_queue, so call the right helper. Fixes: 3e08773 ("block: switch polling to be bio based") Signed-off-by: Christoph Hellwig <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 2e102b5 ] Normally, all channels have RX and TX queues, but this is not true if modparam efx_separate_tx_channels=1 is used. In that cases, some channels only have RX queues and others only TX queues (or more preciselly, they have them allocated, but not initialized). Fix efx_channel_has_tx_queues to return the correct value for this case too. Messages shown at probe time before the fix: sfc 0000:03:00.0 ens6f0np0: MC command 0x82 inlen 544 failed rc=-22 (raw=0) arg=0 ------------[ cut here ]------------ netdevice: ens6f0np0: failed to initialise TXQ -1 WARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc] [...] stripped RIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc] [...] stripped Call Trace: efx_init_tx_queue+0xaa/0xf0 [sfc] efx_start_channels+0x49/0x120 [sfc] efx_start_all+0x1f8/0x430 [sfc] efx_net_open+0x5a/0xe0 [sfc] __dev_open+0xd0/0x190 __dev_change_flags+0x1b3/0x220 dev_change_flags+0x21/0x60 [...] stripped Messages shown at remove time before the fix: sfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues sfc 0000:03:00.0 ens6f0np0: failed to flush queues Fixes: 8700aff ("sfc: fix channel allocation with brute force") Reported-by: Tianhao Zhao <[email protected]> Signed-off-by: Martin Habets <[email protected]> Tested-by: Íñigo Huguet <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
commit 1182576 upstream. syzbot got a new report [1] finally pointing to a very old bug, added in initial support for MTU probing. tcp_mtu_probe() has checks about starting an MTU probe if tcp_snd_cwnd(tp) >= 11. But nothing prevents tcp_snd_cwnd(tp) to be reduced later and before the MTU probe succeeds. This bug would lead to potential zero-divides. Debugging added in commit 4057037 ("tcp: add accessors to read/set tp->snd_cwnd") has paid off :) While we are at it, address potential overflows in this code. [1] WARNING: CPU: 1 PID: 14132 at include/net/tcp.h:1219 tcp_mtup_probe_success+0x366/0x570 net/ipv4/tcp_input.c:2712 Modules linked in: CPU: 1 PID: 14132 Comm: syz-executor.2 Not tainted 5.18.0-syzkaller-07857-gbabf0bb978e3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] RIP: 0010:tcp_mtup_probe_success+0x366/0x570 net/ipv4/tcp_input.c:2712 Code: 74 08 48 89 ef e8 da 80 17 f9 48 8b 45 00 65 48 ff 80 80 03 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 aa b0 c5 f8 <0f> 0b e9 16 fe ff ff 48 8b 4c 24 08 80 e1 07 38 c1 0f 8c c7 fc ff RSP: 0018:ffffc900079e70f8 EFLAGS: 00010287 RAX: ffffffff88c0f7f6 RBX: ffff8880756e7a80 RCX: 0000000000040000 RDX: ffffc9000c6c4000 RSI: 0000000000031f9e RDI: 0000000000031f9f RBP: 0000000000000000 R08: ffffffff88c0f606 R09: ffffc900079e7520 R10: ffffed101011226d R11: 1ffff1101011226c R12: 1ffff1100eadcf50 R13: ffff8880756e72c0 R14: 1ffff1100eadcf89 R15: dffffc0000000000 FS: 00007f643236e700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ab3f1e2a0 CR3: 0000000064fe7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> tcp_clean_rtx_queue+0x223a/0x2da0 net/ipv4/tcp_input.c:3356 tcp_ack+0x1962/0x3c90 net/ipv4/tcp_input.c:3861 tcp_rcv_established+0x7c8/0x1ac0 net/ipv4/tcp_input.c:5973 tcp_v6_do_rcv+0x57b/0x1210 net/ipv6/tcp_ipv6.c:1476 sk_backlog_rcv include/net/sock.h:1061 [inline] __release_sock+0x1d8/0x4c0 net/core/sock.c:2849 release_sock+0x5d/0x1c0 net/core/sock.c:3404 sk_stream_wait_memory+0x700/0xdc0 net/core/stream.c:145 tcp_sendmsg_locked+0x111d/0x3fc0 net/ipv4/tcp.c:1410 tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1448 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] __sys_sendto+0x439/0x5c0 net/socket.c:2119 __do_sys_sendto net/socket.c:2131 [inline] __se_sys_sendto net/socket.c:2127 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2127 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6431289109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f643236e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f643139c100 RCX: 00007f6431289109 RDX: 00000000d0d0c2ac RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f64312e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff372533af R14: 00007f643236e300 R15: 0000000000022000 Fixes: 5d424d5 ("[TCP]: MTU probing") Signed-off-by: Eric Dumazet <[email protected]> Reported-by: syzbot <[email protected]> Acked-by: Yuchung Cheng <[email protected]> Acked-by: Neal Cardwell <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 3008e6a upstream. OFFLOADS paring using devcom is possible only on devices that support LAG. Filter based on lag capabilities. This fixes an issue where mlx5_get_next_phys_dev() was called without holding the interface lock. This issue was found when commit bc4c2f2 ("net/mlx5: Lag, filter non compatible devices") added an assert that verifies the interface lock is held. WARNING: CPU: 9 PID: 1706 at drivers/net/ethernet/mellanox/mlx5/core/dev.c:642 mlx5_get_next_phys_dev+0xd2/0x100 [mlx5_core] Modules linked in: mlx5_vdpa vringh vhost_iotlb vdpa mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_umad ib_ipoib ib_cm ib_uverbs ib_core overlay fuse [last unloaded: mlx5_core] CPU: 9 PID: 1706 Comm: devlink Not tainted 5.18.0-rc7+ pop-os#11 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:mlx5_get_next_phys_dev+0xd2/0x100 [mlx5_core] Code: 02 00 75 48 48 8b 85 80 04 00 00 5d c3 31 c0 5d c3 be ff ff ff ff 48 c7 c7 08 41 5b a0 e8 36 87 28 e3 85 c0 0f 85 6f ff ff ff <0f> 0b e9 68 ff ff ff 48 c7 c7 0c 91 cc 84 e8 cb 36 6f e1 e9 4d ff RSP: 0018:ffff88811bf47458 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88811b398000 RCX: 0000000000000001 RDX: 0000000080000000 RSI: ffffffffa05b4108 RDI: ffff88812daaaa78 RBP: ffff88812d050380 R08: 0000000000000001 R09: ffff88811d6b3437 R10: 0000000000000001 R11: 00000000fddd3581 R12: ffff88815238c000 R13: ffff88812d050380 R14: ffff8881018aa7e0 R15: ffff88811d6b3428 FS: 00007fc82e18ae80(0000) GS:ffff88842e080000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9630d1b421 CR3: 0000000149802004 CR4: 0000000000370ea0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> mlx5_esw_offloads_devcom_event+0x99/0x3b0 [mlx5_core] mlx5_devcom_send_event+0x167/0x1d0 [mlx5_core] esw_offloads_enable+0x1153/0x1500 [mlx5_core] ? mlx5_esw_offloads_controller_valid+0x170/0x170 [mlx5_core] ? wait_for_completion_io_timeout+0x20/0x20 ? mlx5_rescan_drivers_locked+0x318/0x810 [mlx5_core] mlx5_eswitch_enable_locked+0x586/0xc50 [mlx5_core] ? mlx5_eswitch_disable_pf_vf_vports+0x1d0/0x1d0 [mlx5_core] ? mlx5_esw_try_lock+0x1b/0xb0 [mlx5_core] ? mlx5_eswitch_enable+0x270/0x270 [mlx5_core] ? __debugfs_create_file+0x260/0x3e0 mlx5_devlink_eswitch_mode_set+0x27e/0x870 [mlx5_core] ? mutex_lock_io_nested+0x12c0/0x12c0 ? esw_offloads_disable+0x250/0x250 [mlx5_core] ? devlink_nl_cmd_trap_get_dumpit+0x470/0x470 ? rcu_read_lock_sched_held+0x3f/0x70 devlink_nl_cmd_eswitch_set_doit+0x217/0x620 Fixes: dd3fddb ("net/mlx5: E-Switch, handle devcom events only for ports on the same device") Signed-off-by: Mark Bloch <[email protected]> Reviewed-by: Roi Dayan <[email protected]> Reviewed-by: Moshe Shemesh <[email protected]> Signed-off-by: Saeed Mahameed <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit ba3beec upstream. Fix a crash that happens if an Rx only socket is created first, then a second socket is created that is Tx only and bound to the same umem as the first socket and also the same netdev and queue_id together with the XDP_SHARED_UMEM flag. In this specific case, the tx_descs array page pool was not created by the first socket as it was an Rx only socket. When the second socket is bound it needs this tx_descs array of this shared page pool as it has a Tx component, but unfortunately it was never allocated, leading to a crash. Note that this array is only used for zero-copy drivers using the batched Tx APIs, currently only ice and i40e. [ 5511.150360] BUG: kernel NULL pointer dereference, address: 0000000000000008 [ 5511.158419] #PF: supervisor write access in kernel mode [ 5511.164472] #PF: error_code(0x0002) - not-present page [ 5511.170416] PGD 0 P4D 0 [ 5511.173347] Oops: 0002 [pop-os#1] PREEMPT SMP PTI [ 5511.178186] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G E 5.18.0-rc1+ pop-os#97 [ 5511.187245] Hardware name: Intel Corp. GRANTLEY/GRANTLEY, BIOS GRRFCRB1.86B.0276.D07.1605190235 05/19/2016 [ 5511.198418] RIP: 0010:xsk_tx_peek_release_desc_batch+0x198/0x310 [ 5511.205375] Code: c0 83 c6 01 84 c2 74 6d 8d 46 ff 23 07 44 89 e1 48 83 c0 14 48 c1 e1 04 48 c1 e0 04 48 03 47 10 4c 01 c1 48 8b 50 08 48 8b 00 <48> 89 51 08 48 89 01 41 80 bd d7 00 00 00 00 75 82 48 8b 19 49 8b [ 5511.227091] RSP: 0018:ffffc90000003dd0 EFLAGS: 00010246 [ 5511.233135] RAX: 0000000000000000 RBX: ffff88810c8da600 RCX: 0000000000000000 [ 5511.241384] RDX: 000000000000003c RSI: 0000000000000001 RDI: ffff888115f555c0 [ 5511.249634] RBP: ffffc90000003e08 R08: 0000000000000000 R09: ffff889092296b48 [ 5511.257886] R10: 0000ffffffffffff R11: ffff889092296800 R12: 0000000000000000 [ 5511.266138] R13: ffff88810c8db500 R14: 0000000000000040 R15: 0000000000000100 [ 5511.274387] FS: 0000000000000000(0000) GS:ffff88903f800000(0000) knlGS:0000000000000000 [ 5511.283746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5511.290389] CR2: 0000000000000008 CR3: 00000001046e2001 CR4: 00000000003706f0 [ 5511.298640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5511.306892] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5511.315142] Call Trace: [ 5511.317972] <IRQ> [ 5511.320301] ice_xmit_zc+0x68/0x2f0 [ice] [ 5511.324977] ? ktime_get+0x38/0xa0 [ 5511.328913] ice_napi_poll+0x7a/0x6a0 [ice] [ 5511.333784] __napi_poll+0x2c/0x160 [ 5511.337821] net_rx_action+0xdd/0x200 [ 5511.342058] __do_softirq+0xe6/0x2dd [ 5511.346198] irq_exit_rcu+0xb5/0x100 [ 5511.350339] common_interrupt+0xa4/0xc0 [ 5511.354777] </IRQ> [ 5511.357201] <TASK> [ 5511.359625] asm_common_interrupt+0x1e/0x40 [ 5511.364466] RIP: 0010:cpuidle_enter_state+0xd2/0x360 [ 5511.370211] Code: 49 89 c5 0f 1f 44 00 00 31 ff e8 e9 00 7b ff 45 84 ff 74 12 9c 58 f6 c4 02 0f 85 72 02 00 00 31 ff e8 02 0c 80 ff fb 45 85 f6 <0f> 88 11 01 00 00 49 63 c6 4c 2b 2c 24 48 8d 14 40 48 8d 14 90 49 [ 5511.391921] RSP: 0018:ffffffff82a03e60 EFLAGS: 00000202 [ 5511.397962] RAX: ffff88903f800000 RBX: 0000000000000001 RCX: 000000000000001f [ 5511.406214] RDX: 0000000000000000 RSI: ffffffff823400b9 RDI: ffffffff8234c046 [ 5511.424646] RBP: ffff88810a384800 R08: 000005032a28c046 R09: 0000000000000008 [ 5511.443233] R10: 000000000000000b R11: 0000000000000006 R12: ffffffff82bcf700 [ 5511.461922] R13: 000005032a28c046 R14: 0000000000000001 R15: 0000000000000000 [ 5511.480300] cpuidle_enter+0x29/0x40 [ 5511.494329] do_idle+0x1c7/0x250 [ 5511.507610] cpu_startup_entry+0x19/0x20 [ 5511.521394] start_kernel+0x649/0x66e [ 5511.534626] secondary_startup_64_no_verify+0xc3/0xcb [ 5511.549230] </TASK> Detect such case during bind() and allocate this memory region via newly introduced xp_alloc_tx_descs(). Also, use kvcalloc instead of kcalloc as for other buffer pool allocations, so that it matches the kvfree() from xp_destroy(). Fixes: d1bc532 ("i40e: xsk: Move tmp desc array from driver to pool") Signed-off-by: Maciej Fijalkowski <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Magnus Karlsson <[email protected]> Link: https://lore.kernel.org/bpf/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/[email protected] Link: https://lore.kernel.org/r/[email protected] Tested-by: Florian Fainelli <[email protected]> Tested-by: Justin M. Forbes <[email protected]> Tested-by: Fox Chen <[email protected]> Tested-by: Shuah Khan <[email protected]> Tested-by: Sudip Mukherjee <[email protected]> Tested-by: Ron Economos <[email protected]> Tested-by: Guenter Roeck <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
…flags BugLink: [Replace -fcf-protection=none patch with new version] The gcc -fcf-protection=branch option is not compatible with -mindirect-branch=thunk-extern. The latter is used when CONFIG_RETPOLINE is selected, and this will fail to build with a gcc which has -fcf-protection=branch enabled by default. Adding -fcf-protection=none when building with retpoline support to prevents such build failures. Signed-off-by: Seth Forshee <[email protected]>
Signed-off-by: Andy Whitcroft <[email protected]>
BugLink: http://bugs.launchpad.net/bugs/1585311 Signed-off-by: Andy Whitcroft <[email protected]> Acked-by: Tim Gardner <[email protected]> Acked-by: Brad Figg <[email protected]> Signed-off-by: Kamal Mostafa <[email protected]>
The pin fixup is required to detect headset microphones on the oryp5. Fixes: 80690a2 ("ALSA: hda/realtek - Add quirk for Tuxedo XC 1509") Signed-off-by: Tim Crawford <[email protected]>
This patch was written by Takashi Iwai, I am just commiting it into the pop-os kernel before this is upstreamed
Asus released motherboard(s) with an alternate ALC4080 that lacks a SPDIF jack, and requires applying this map.
Fixes speaker output and headset detection on Clevo PD70PNT. Signed-off-by: Tim Crawford <[email protected]>
Fixes headset detection on Clevo NS50PU. Signed-off-by: Tim Crawford <[email protected]>
….202206141358 Signed-off-by: Jeremy Soller <[email protected]>
Fixes headset detection on Clevo L140PU. Signed-off-by: Tim Crawford <[email protected]>
Merged
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Why not commit this upstream? |
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It seems to me that "pop-os/linux" is a fork which is maintained separately:
If you sync with upstream, then yes, there is no need for this one. Is that the case? |
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Yes we do sync with upstream. Thank you for bringing this to our attention! |
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This has been merged into mainline, is there any possibility of seeing it merged in here too? |
mmstick
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[ Upstream commit 8ecf3c1 ] Recent additions in BPF like cpu v4 instructions, test_bpf module exhibits the following failures: test_bpf: #82 ALU_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #83 ALU_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #84 ALU64_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #85 ALU64_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #86 ALU64_MOVSX | BPF_W jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #165 ALU_SDIV_X: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times) test_bpf: #166 ALU_SDIV_K: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times) test_bpf: #169 ALU_SMOD_X: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #170 ALU_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #172 ALU64_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #313 BSWAP 16: 0x0123456789abcdef -> 0xefcd eBPF filter opcode 00d7 (@2) unsupported jited:0 301 PASS test_bpf: #314 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 eBPF filter opcode 00d7 (@2) unsupported jited:0 555 PASS test_bpf: #315 BSWAP 64: 0x0123456789abcdef -> 0x67452301 eBPF filter opcode 00d7 (@2) unsupported jited:0 268 PASS test_bpf: #316 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 eBPF filter opcode 00d7 (@2) unsupported jited:0 269 PASS test_bpf: #317 BSWAP 16: 0xfedcba9876543210 -> 0x1032 eBPF filter opcode 00d7 (@2) unsupported jited:0 460 PASS test_bpf: #318 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 eBPF filter opcode 00d7 (@2) unsupported jited:0 320 PASS test_bpf: #319 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe eBPF filter opcode 00d7 (@2) unsupported jited:0 222 PASS test_bpf: #320 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 eBPF filter opcode 00d7 (@2) unsupported jited:0 273 PASS test_bpf: torvalds#344 BPF_LDX_MEMSX | BPF_B eBPF filter opcode 0091 (@5) unsupported jited:0 432 PASS test_bpf: torvalds#345 BPF_LDX_MEMSX | BPF_H eBPF filter opcode 0089 (@5) unsupported jited:0 381 PASS test_bpf: torvalds#346 BPF_LDX_MEMSX | BPF_W eBPF filter opcode 0081 (@5) unsupported jited:0 505 PASS test_bpf: torvalds#490 JMP32_JA: Unconditional jump: if (true) return 1 eBPF filter opcode 0006 (@1) unsupported jited:0 261 PASS test_bpf: Summary: 1040 PASSED, 10 FAILED, [924/1038 JIT'ed] Fix them by adding missing processing. Fixes: daabb2b ("bpf/tests: add tests for cpuv4 instructions") Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://msgid.link/91de862dda99d170697eb79ffb478678af7e0b27.1709652689.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin <[email protected]>
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Addresses #161
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