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🐞 Open [964] 🐞 Fixed [3807] 🐞 Invalid [8180] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in tls_sw_sendmsg (2) | 3 | 624d | 625d | 0/22 | auto-closed as invalid on 2020/12/09 14:32 | |||
upstream | INFO: task hung in tls_sw_sendmsg | 18 | 985d | 1173d | 0/22 | closed as dup on 2019/08/19 21:10 |
INFO: task syz-executor.3:5663 blocked for more than 143 seconds. Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28856 pid: 5663 ppid: 3623 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5073 [inline] __schedule+0x939/0xea0 kernel/sched/core.c:6388 schedule+0xeb/0x1b0 kernel/sched/core.c:6460 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6519 __mutex_lock_common+0xecf/0x26e0 kernel/locking/mutex.c:673 __mutex_lock kernel/locking/mutex.c:733 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:785 tls_sw_sendmsg+0x297/0x1830 net/tls/tls_sw.c:957 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] __sys_sendto+0x42e/0x5b0 net/socket.c:2040 __do_sys_sendto net/socket.c:2052 [inline] __se_sys_sendto net/socket.c:2048 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2048 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+0x44/0xae RIP: 0033:0x7fd7940890e9 RSP: 002b:00007fd79523f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fd79419c030 RCX: 00007fd7940890e9 RDX: feffffff00000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fd7940e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdf66ea5f R14: 00007fd79523f300 R15: 0000000000022000 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/28: #0: ffffffff8cb1ae60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by syslogd/2945: #0: ffff8880b9b39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:554 #1: ffff8880b9b277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x567/0x820 kernel/sched/psi.c:889 2 locks held by getty/3270: #0: ffff88814c440098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc90002b832e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ad/0x1c90 drivers/tty/n_tty.c:2075 3 locks held by kworker/0:3/3316: #0: ffff888011464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262 #1: ffffc90002f9fd00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264 #2: ffff88807cb9a0d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x111/0x150 net/tls/tls_sw.c:2300 5 locks held by kworker/u4:6/3749: 1 lock held by syz-executor.3/5663: #0: ffff88807cb9a0d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendmsg+0x297/0x1830 net/tls/tls_sw.c:957 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x168/0x280 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+0xcf9/0xd40 kernel/hung_task.c:369 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy7 ieee80211_iface_work RIP: 0010:preempt_count_add+0x4e/0x180 kernel/sched/core.c:5537 Code: e3 00 00 00 83 3d b1 70 5c 0f 00 75 07 65 8b 05 90 39 a7 7e 65 01 1d 89 39 a7 7e 48 c7 c0 a0 a6 b7 90 48 c1 e8 03 42 8a 04 38 <84> c0 0f 85 db 00 00 00 83 3d 83 70 5c 0f 00 75 11 65 8b 05 62 39 RSP: 0018:ffffc9000115f2e0 EFLAGS: 00000a06 RAX: 1ffffffff216f404 RBX: 0000000000000001 RCX: ffffffff90b7a603 RDX: dffffc0000000000 RSI: ffffffff81d6a418 RDI: 0000000000000001 RBP: 1ffff9200022be78 R08: 0000000000000002 R09: ffffc9000115f4b0 R10: fffff5200022be84 R11: 1ffff9200022be82 R12: ffffc9000115f798 R13: ffffc9000115f3c0 R14: ffffffff81d6a418 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c014c8aa20 CR3: 000000007e96d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> unwind_next_frame+0xae/0x1dc0 arch/x86/kernel/unwind_orc.c:428 arch_stack_walk+0x112/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0xd8/0x110 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kfree+0xc6/0x210 mm/slub.c:4552 ieee80211_bss_info_update+0x96c/0xc30 net/mac80211/scan.c:232 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline] ieee80211_ibss_rx_queued_mgmt+0x1659/0x28c0 net/mac80211/ibss.c:1639 ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline] ieee80211_iface_work+0x757/0xcd0 net/mac80211/iface.c:1581 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 </TASK> ---------------- Code disassembly (best guess): 0: e3 00 jrcxz 0x2 2: 00 00 add %al,(%rax) 4: 83 3d b1 70 5c 0f 00 cmpl $0x0,0xf5c70b1(%rip) # 0xf5c70bc b: 75 07 jne 0x14 d: 65 8b 05 90 39 a7 7e mov %gs:0x7ea73990(%rip),%eax # 0x7ea739a4 14: 65 01 1d 89 39 a7 7e add %ebx,%gs:0x7ea73989(%rip) # 0x7ea739a4 1b: 48 c7 c0 a0 a6 b7 90 mov $0xffffffff90b7a6a0,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 42 8a 04 38 mov (%rax,%r15,1),%al * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 0f 85 db 00 00 00 jne 0x10d 32: 83 3d 83 70 5c 0f 00 cmpl $0x0,0xf5c7083(%rip) # 0xf5c70bc 39: 75 11 jne 0x4c 3b: 65 gs 3c: 8b .byte 0x8b 3d: 05 .byte 0x5 3e: 62 .byte 0x62 3f: 39 .byte 0x39
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-smack-root | 2022/04/21 05:31 | upstream | b253435746d9 | d4befee1 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce | 2022/02/22 21:20 | upstream | 917bbdb107f8 | 6e821dbf | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce-smack-root | 2022/02/16 11:15 | upstream | c5d9ae265b10 | 8b9ca619 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce | 2022/02/06 19:59 | upstream | d8ad2ce873ab | a7dab638 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce | 2021/10/20 16:36 | upstream | d9abdee5fd5a | 418a00eb | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce | 2021/10/11 03:01 | upstream | efb52a7d9511 | 838e7e2c | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce | 2021/08/25 12:23 | upstream | 6e764bcd1cf7 | b599f2fc | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce-selinux-root | 2021/08/16 04:35 | upstream | 7c60610d4767 | 2489ab88 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce-root | 2021/07/02 01:55 | upstream | e058a84bfddc | 658ebc66 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce-386 | 2022/04/21 07:22 | upstream | b253435746d9 | d4befee1 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-kasan-gce-386 | 2021/07/02 02:23 | upstream | e04360a2ea01 | 658ebc66 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2022/03/26 13:40 | net | b50d3b46f842 | 89bc8608 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2022/01/22 02:05 | net | 67ab55956e64 | 214351e1 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/12/31 09:17 | net | 74c78b4291b4 | 36bd2e48 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/11/13 09:38 | net | 66f4beaa6c1d | 83f5c9b5 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/11/04 23:43 | net | d00c8ee31729 | 4c1be0be | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/10/18 11:18 | net | fac3cb82a54a | 0c5d9412 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/09/19 04:13 | net | 02319bf15acf | 70b76c1d | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/07/06 05:34 | net | c6c205ed442e | 55aa55c2 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/07/05 03:00 | net | dbe69e433722 | 55aa55c2 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-this-kasan-gce | 2021/04/07 22:14 | net | 5219d6012d46 | 6a81331a | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2022/02/18 22:45 | net-next | 5a8fb33e5305 | 3cd800e4 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/11/30 02:00 | net-next | 2f7ed29f2c54 | d0830353 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/11/14 20:11 | net-next | 1274a4eb318d | 83f5c9b5 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/11/05 04:55 | net-next | cc0356d6a02e | 4c1be0be | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/10/21 10:13 | net-next | 2641b62d2fab | f111d03b | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/10/20 19:33 | net-next | 816219a86d21 | 418a00eb | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/08/28 20:16 | net-next | 49b99da2c9ce | be2c130d | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-net-kasan-gce | 2021/07/05 23:12 | net-next | 5e437416ff66 | 55aa55c2 | .config | log | report | info | INFO: task hung in tls_sw_sendmsg | ||
ci-upstream-linux-next-kasan-gce-root | 2022/04/21 05:38 | linux-next | f1244c81da13 | d4befee1 | .config | log | report | info | INFO: task can't die in tls_sw_sendmsg |