ci starts bisection 2023-04-30 05:25:13.536514674 +0000 UTC m=+115782.098589199 bisecting cause commit starting from 6686317855c6997671982d4489ccdd946f644957 building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88 ensuring issue is reproducible on original commit 6686317855c6997671982d4489ccdd946f644957 testing commit 6686317855c6997671982d4489ccdd946f644957 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1ffcfc1a725719a3fdde1b28466335ffd7b33f47704f5c99d81a441a3dada7ca run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: task hung in __lru_add_drain_all run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: crashed: INFO: task hung in synchronize_rcu run #17: OK run #18: OK run #19: OK reproducer seems to be flaky testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 018ba7047f2df91084d1caaa410c4e90f34f0105b7960b7796b7cabf9cbec10d run #0: crashed: INFO: task hung in synchronize_rcu run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: crashed: INFO: task hung in __lru_add_drain_all run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 46910a7720b74b036514f1f954bd79fc20ec6d1fed5c164e5ab27c8760f01b58 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: OK run #9: OK run #10: OK run #11: OK run #12: crashed: INFO: task hung in synchronize_rcu run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ebffbdfe8083036e3ceb3223f6d68df7c00f30413cbe1fbed36bc104cee30863 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: OK run #10: crashed: INFO: task hung in synchronize_rcu run #11: crashed: INFO: task hung in synchronize_rcu run #12: crashed: INFO: task hung in synchronize_rcu run #13: crashed: INFO: task hung in __lru_add_drain_all run #14: crashed: INFO: task hung in synchronize_rcu run #15: crashed: INFO: task hung in __lru_add_drain_all run #16: crashed: INFO: task hung in synchronize_rcu run #17: OK run #18: OK run #19: OK testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ab8aa2cb3b9814f7bf6c2285af99edc143f8d2d367228d5bf37dae8acfca23f6 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: task hung in synchronize_rcu run #14: crashed: INFO: task hung in synchronize_rcu run #15: crashed: INFO: task hung in __lru_add_drain_all run #16: crashed: INFO: task hung in synchronize_rcu run #17: crashed: INFO: task hung in synchronize_rcu run #18: OK run #19: OK testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 34a54c6ae9609361c8e3f0e6a30c44eb52932d7b8869c17a8e28151aa1c5a2f5 run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: task hung in __lru_add_drain_all run #5: crashed: INFO: task hung in __lru_add_drain_all run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3707e6ed251276ff71f2a0c0ab984ad664837242ca88b6f7a3aa8a1f0f304e8f run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: task hung in synchronize_rcu run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: INFO: task hung in synchronize_rcu run #7: crashed: INFO: task hung in synchronize_rcu run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: crashed: INFO: task hung in synchronize_rcu testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 40b47b0c42ef94d0abcfaccb011247edc8271b58e6fe938a582dd603fbe2d5af all runs: OK # git bisect start 4b0986a3613c92f4ec1bdc7f60ec66fea135991f f443e374ae131c168a065ea1748feac6b2e76613 Bisecting: 8498 revisions left to test after this (roughly 13 steps) [25fd2d41b505d0640bdfe67aa77c549de2d3c18a] selftests: kselftest framework: provide "finished" helper testing commit 25fd2d41b505d0640bdfe67aa77c549de2d3c18a gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0afa78dbf4bc03e0730457802d9b7e59640af7d9974d8b8971057462f89b2b8b run #0: crashed: INFO: task hung in __lru_add_drain_all run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: task hung in synchronize_rcu run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: INFO: task hung in synchronize_rcu run #7: crashed: INFO: task hung in synchronize_rcu run #8: crashed: INFO: task hung in synchronize_rcu run #9: crashed: INFO: task hung in __lru_add_drain_all run #10: crashed: INFO: task hung in synchronize_rcu run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 25fd2d41b505d0640bdfe67aa77c549de2d3c18a Bisecting: 3943 revisions left to test after this (roughly 12 steps) [b4bc93bd76d4da32600795cd323c971f00a2e788] Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit b4bc93bd76d4da32600795cd323c971f00a2e788 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b6c603b5bd4e1407a6b777fe6d6438590c78ab6d61c035ed23d83d95c74d157a all runs: OK # git bisect good b4bc93bd76d4da32600795cd323c971f00a2e788 Bisecting: 1997 revisions left to test after this (roughly 11 steps) [9a225f81f540f65225e4b820e303d40d9e747e78] ice: Support GTP-U and GTP-C offload in switchdev testing commit 9a225f81f540f65225e4b820e303d40d9e747e78 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 46d45cda0f4b765d636045ea53fb01b98bcfcb93c8b6d7ef38a3f11bc4edf33b all runs: OK # git bisect good 9a225f81f540f65225e4b820e303d40d9e747e78 Bisecting: 994 revisions left to test after this (roughly 10 steps) [7403e6d8263937dea206dd201fed1ceed190ca18] Merge tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio testing commit 7403e6d8263937dea206dd201fed1ceed190ca18 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7d4368cb8496b8f0f50745783a483f4967a7c848b0230450966506d6b630e7da all runs: OK # git bisect good 7403e6d8263937dea206dd201fed1ceed190ca18 Bisecting: 470 revisions left to test after this (roughly 9 steps) [dca51fe7fbb11909cd80e81714f6de4515123a64] Merge tag 'wireless-next-2022-03-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next testing commit dca51fe7fbb11909cd80e81714f6de4515123a64 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5f2f815e861fec58e5557403a491458e7b643cc6b8b573659bfb31e21e2e38b2 all runs: basic kernel testing failed: WARNING in __napi_schedule # git bisect skip dca51fe7fbb11909cd80e81714f6de4515123a64 Bisecting: 470 revisions left to test after this (roughly 9 steps) [938d3480b92fa5e454b7734294f12a7b75126f09] bpf, sockmap: Fix memleak in sk_psock_queue_msg testing commit 938d3480b92fa5e454b7734294f12a7b75126f09 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 798fa5302da8a2fe15183df3e64d39c6b8db1eab40262c3881a74aead5e93ff2 run #0: OK run #1: OK run #2: crashed: INFO: task hung in __lru_add_drain_all run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 938d3480b92fa5e454b7734294f12a7b75126f09 Bisecting: 31 revisions left to test after this (roughly 5 steps) [b530e9e1063ed2b817eae7eec6ed2daa8be11608] bpf: Add "live packet" mode for XDP in BPF_PROG_RUN testing commit b530e9e1063ed2b817eae7eec6ed2daa8be11608 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a12a4ebd6e5c321d3efeb0a499677dc1ea82ce29476be90028387008aa491541 all runs: OK # git bisect good b530e9e1063ed2b817eae7eec6ed2daa8be11608 Bisecting: 15 revisions left to test after this (roughly 4 steps) [1b773d0003aa90e60953d263c2ee31e6fb4a8a69] bpf: Use offsetofend() to simplify macro definition testing commit 1b773d0003aa90e60953d263c2ee31e6fb4a8a69 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b059e9d3d6d3e1fa4cd433e02c2de765d77ad6c35af497e186a5ea6aabb7590b run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: crashed: INFO: task hung in __drain_all_pages run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 1b773d0003aa90e60953d263c2ee31e6fb4a8a69 Bisecting: 7 revisions left to test after this (roughly 3 steps) [743bec1b78af174f588956ffbdb9bca4348e3eaf] bpf, test_run: Use kvfree() for memory allocated with kvmalloc() testing commit 743bec1b78af174f588956ffbdb9bca4348e3eaf gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bcc57e62994d81ee68b38c2b5946bb5f5fe6d21262f0a627634d1aee4b3de7ea all runs: OK # git bisect good 743bec1b78af174f588956ffbdb9bca4348e3eaf Bisecting: 3 revisions left to test after this (roughly 2 steps) [9bb984f28d5bcb917d35d930fcfb89f90f9449fd] bpf: Remove BPF_SKB_DELIVERY_TIME_NONE and rename s/delivery_time_/tstamp_/ testing commit 9bb984f28d5bcb917d35d930fcfb89f90f9449fd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 169fde36ea49fca11be2b8c24513ca9dae00a5dae294263b4df3fa2c8b66dee1 run #0: crashed: INFO: task hung in synchronize_rcu run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 9bb984f28d5bcb917d35d930fcfb89f90f9449fd Bisecting: 1 revision left to test after this (roughly 1 step) [539de9328e3ab444efe51ddc7416ce2a3f0f23b2] bpf: Simplify insn rewrite on BPF_READ __sk_buff->tstamp testing commit 539de9328e3ab444efe51ddc7416ce2a3f0f23b2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bc8c0d0131a1ec41fba76f72295b784d1cf772138520cc108a4323729237ac4d run #0: OK run #1: OK run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in synchronize_rcu run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 539de9328e3ab444efe51ddc7416ce2a3f0f23b2 Bisecting: 0 revisions left to test after this (roughly 0 steps) [3b5d4ddf8fe1f60082513f94bae586ac80188a03] bpf: net: Remove TC_AT_INGRESS_OFFSET and SKB_MONO_DELIVERY_TIME_OFFSET macro testing commit 3b5d4ddf8fe1f60082513f94bae586ac80188a03 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: edebcc29b6b0bcbdd7af85c71433e690f65c2ca7d3a036927f26c2907793f516 run #0: crashed: INFO: task hung in synchronize_rcu run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 3b5d4ddf8fe1f60082513f94bae586ac80188a03 3b5d4ddf8fe1f60082513f94bae586ac80188a03 is the first bad commit commit 3b5d4ddf8fe1f60082513f94bae586ac80188a03 Author: Martin KaFai Lau Date: Wed Mar 9 01:04:50 2022 -0800 bpf: net: Remove TC_AT_INGRESS_OFFSET and SKB_MONO_DELIVERY_TIME_OFFSET macro This patch removes the TC_AT_INGRESS_OFFSET and SKB_MONO_DELIVERY_TIME_OFFSET macros. Instead, PKT_VLAN_PRESENT_OFFSET is used because all of them are at the same offset. Comment is added to make it clear that changing the position of tc_at_ingress or mono_delivery_time will require to adjust the defined macros. The earlier discussion can be found here: https://lore.kernel.org/bpf/419d994e-ff61-7c11-0ec7-11fefcb0186e@iogearbox.net/ Signed-off-by: Martin KaFai Lau Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20220309090450.3710955-1-kafai@fb.com include/linux/skbuff.h | 10 +++++----- net/core/filter.c | 14 +++++++------- 2 files changed, 12 insertions(+), 12 deletions(-) culprit signature: edebcc29b6b0bcbdd7af85c71433e690f65c2ca7d3a036927f26c2907793f516 parent signature: bcc57e62994d81ee68b38c2b5946bb5f5fe6d21262f0a627634d1aee4b3de7ea Reproducer flagged being flaky revisions tested: 20, total time: 5h30m1.091583437s (build: 2h29m13.263042442s, test: 2h56m57.110348623s) first bad commit: 3b5d4ddf8fe1f60082513f94bae586ac80188a03 bpf: net: Remove TC_AT_INGRESS_OFFSET and SKB_MONO_DELIVERY_TIME_OFFSET macro recipients (to): ["daniel@iogearbox.net" "kafai@fb.com"] recipients (cc): [] crash: INFO: task hung in synchronize_rcu INFO: task kworker/u4:5:4143 blocked for more than 144 seconds. Not tainted 5.17.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:5 state:D stack:26584 pid: 4143 ppid: 2 flags:0x00004000 Workqueue: events_unbound fsnotify_mark_destroy_workfn Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0xa54/0x48d0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x2af/0x360 kernel/sched/completion.c:106 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:930 fsnotify_mark_destroy_workfn+0xeb/0x3b0 fs/notify/mark.c:864 process_one_work+0x879/0x1410 kernel/workqueue.c:2307 worker_thread+0x5a0/0xf60 kernel/workqueue.c:2454 kthread+0x29f/0x340 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Showing all locks held in the system: 2 locks held by kworker/u4:1/10: #0: ffff8880b9c39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489 #1: ffff8880b9c27948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3e7/0x4e0 kernel/sched/psi.c:891 1 lock held by khungtaskd/26: #0: ffffffff8b37e2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460 1 lock held by khugepaged/32: #0: ffffffff8b4649c8 (lock#5){+.+.}-{3:3}, at: __lru_add_drain_all+0x5a/0x6e0 mm/swap.c:798 2 locks held by getty/3267: #0: ffff88814b235098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc90002a662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9e1/0xee0 drivers/tty/n_tty.c:2075 3 locks held by kworker/1:3/3529: 1 lock held by syz-executor.5/3882: #0: ffff8880b9d39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489 1 lock held by syz-executor.4/3885: 2 locks held by kworker/u4:5/4143: #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x79e/0x1410 kernel/workqueue.c:2278 #1: ffffc90004c47dc0 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x7cb/0x1410 kernel/workqueue.c:2282 2 locks held by kworker/u4:6/4246: #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline] #0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x79e/0x1410 kernel/workqueue.c:2278 #1: ffffc90001cbfdc0 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x7cb/0x1410 kernel/workqueue.c:2282 2 locks held by dhcpcd/4817: #0: ffff888074a8e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #0: ffff888074a8e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x27/0xad0 net/packet/af_packet.c:3176 #1: ffffffff8b387ee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #1: ffffffff8b387ee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:840 2 locks held by dhcpcd/4818: #0: ffff88807b4a2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #0: ffff88807b4a2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x27/0xad0 net/packet/af_packet.c:3176 #1: ffffffff8b387ee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #1: ffffffff8b387ee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:840 1 lock held by dhcpcd/4823: #0: ffff888060178130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #0: ffff888060178130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x27/0xad0 net/packet/af_packet.c:3176 1 lock held by dhcpcd/4832: #0: ffff8880769f8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #0: ffff8880769f8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x27/0xad0 net/packet/af_packet.c:3176 no locks held by syz-executor.2/5008. 1 lock held by syz-executor.1/5017: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x140/0x170 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0x88c/0xbf0 kernel/hung_task.c:369 kthread+0x29f/0x340 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5010 Comm: syz-executor.3 Not tainted 5.17.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:check_preemption_disabled+0x2/0xe0 lib/smp_processor_id.c:13 Code: 47 3b 77 c3 0f 0b eb 96 e8 eb bf c6 f8 65 48 8b 3c 25 00 70 02 00 e8 5d a1 83 f8 eb bf cc cc cc cc cc cc cc cc cc cc cc 41 54 <55> 53 48 83 ec 08 65 44 8b 25 b8 13 3a 77 65 8b 05 a9 69 3a 77 a9 RSP: 0018:ffffc9000415f5c0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff892baf60 RDI: ffffffff89814720 RBP: ffffffff8b37e1e0 R08: 0000000000000000 R09: ffffffff8d111457 R10: fffffbfff1a2228a R11: 0000000000000001 R12: ffff888022938000 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888022938a60 FS: 00007feece366700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feecf110000 CR3: 00000001ee8a0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:438 [inline] lock_is_held_type+0xd7/0x140 kernel/locking/lockdep.c:5683 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125 trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0x522/0x720 kernel/locking/lockdep.c:5650 prepare_alloc_pages+0x164/0x570 mm/page_alloc.c:5162 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5378 __get_free_pages+0x8/0x40 mm/page_alloc.c:5438 kasan_populate_vmalloc_pte mm/kasan/shadow.c:271 [inline] kasan_populate_vmalloc_pte+0x28/0x180 mm/kasan/shadow.c:262 apply_to_pte_range mm/memory.c:2541 [inline] apply_to_pmd_range mm/memory.c:2585 [inline] apply_to_pud_range mm/memory.c:2621 [inline] apply_to_p4d_range mm/memory.c:2657 [inline] __apply_to_page_range+0x4f8/0xbc0 mm/memory.c:2691 alloc_vmap_area+0x75d/0x1b90 mm/vmalloc.c:1571 __get_vm_area_node+0xd7/0x2f0 mm/vmalloc.c:2436 __vmalloc_node_range+0x1cd/0xf10 mm/vmalloc.c:3092 __bpf_map_area_alloc+0x8c/0xe0 kernel/bpf/syscall.c:329 bloom_map_alloc+0x24f/0x4a0 kernel/bpf/bloom_filter.c:144 find_and_alloc_map kernel/bpf/syscall.c:128 [inline] map_create kernel/bpf/syscall.c:863 [inline] __sys_bpf+0x8bd/0x4440 kernel/bpf/syscall.c:4629 __do_sys_bpf kernel/bpf/syscall.c:4751 [inline] __se_sys_bpf kernel/bpf/syscall.c:4749 [inline] __x64_sys_bpf+0x70/0xb0 kernel/bpf/syscall.c:4749 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7feeceff4169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007feece366168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007feecf113f80 RCX: 00007feeceff4169 RDX: 0000000000000048 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 00007feecf04fca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd20d426df R14: 00007feece366300 R15: 0000000000022000