Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/02/29 | linux-5.15.y (ToT) | 458ce51d0356 | C | [report] INFO: task hung in unix_dgram_sendmsg |
2024/02/29 | upstream (ToT) | 805d849d7c3c | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/02/29 | linux-5.15.y (ToT) | 458ce51d0356 | C | [report] INFO: task hung in unix_dgram_sendmsg |
2024/02/29 | upstream (ToT) | 805d849d7c3c | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-6.1 | INFO: task hung in unix_dgram_sendmsg origin:lts-only | C | inconclusive | 27 | 215d | 233d | 0/3 | upstream: reported C repro on 2024/02/16 20:24 | |
upstream | INFO: task hung in unix_dgram_sendmsg net | C | done | 36 | 222d | 240d | 25/28 | fixed on 2024/03/25 11:41 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/07 07:00 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/07 07:00 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/07 07:00 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/07 07:00 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/07 07:00 | 25m | retest repro | linux-5.15.y | OK log | |
2024/10/03 19:50 | 1h24m | retest repro | linux-5.15.y | OK log | |
2024/10/03 19:50 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/03 19:50 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/03 19:50 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/03 19:50 | 25m | retest repro | linux-5.15.y | OK log |
INFO: task dhcpcd:3173 blocked for more than 143 seconds. Not tainted 5.15.149-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:23544 pid: 3173 ppid: 1 flags:0x00004202 Call Trace: <TASK> context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 wait_for_unix_gc+0x14e/0x210 net/unix/garbage.c:201 unix_dgram_sendmsg+0x143/0x2090 net/unix/af_unix.c:1771 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] sock_write_iter+0x39b/0x530 net/socket.c:1079 call_write_iter include/linux/fs.h:2146 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xacf/0xe50 fs/read_write.c:594 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fc5e5c02bf2 RSP: 002b:00007ffc386dc8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000562ca6f7bcf0 RCX: 00007fc5e5c02bf2 RDX: 0000000000000047 RSI: 00007ffc386dc8d0 RDI: 0000000000000005 RBP: 00007ffc386dc8d0 R08: 0000000000000008 R09: 0000000000000036 R10: 0000000000000000 R11: 0000000000000246 R12: 0000562ca65c9efc R13: 00007ffc386dcd00 R14: 0000562ca700f380 R15: 0000000000000001 </TASK> INFO: task syz-executor127:6884 blocked for more than 143 seconds. Not tainted 5.15.149-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor127 state:D stack:26624 pid: 6884 ppid: 3515 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 wait_for_unix_gc+0x14e/0x210 net/unix/garbage.c:201 unix_stream_sendmsg+0xc3/0x1070 net/unix/af_unix.c:2035 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485 __sys_sendmsg net/socket.c:2514 [inline] __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdc175b7bb9 RSP: 002b:00007ffcd95edba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc175b7bb9 RDX: 000000000400c8c1 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000002559f R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd95edbbc R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 1 lock held by dhcpcd/3174: 2 locks held by getty/3260: #0: ffff88802495e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xe72/0xeb0 kernel/hung_task.c:295 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3174 Comm: dhcpcd Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x60 kernel/kcov.c:197 Code: 89 fb e8 17 00 00 00 48 8b 3d 88 86 63 0c 48 89 de 5b e9 87 e1 48 00 cc cc cc cc cc cc cc 48 8b 04 24 65 48 8b 0d d4 39 82 7e <65> 8b 15 d5 39 82 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 RSP: 0018:ffffc90003157af8 EFLAGS: 00000246 RAX: ffffffff88f53310 RBX: ffff888079906770 RCX: ffff88807e1d3b80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90003157c70 R08: ffffffff882d0af3 R09: ffffed100377dbd4 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f320cee R13: ffffc90003157b60 R14: 0000000000000000 R15: ffffffff8dad5720 FS: 00007fc5e5b38740(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc5e5ce4580 CR3: 000000001b837000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> unix_gc+0x10e0/0x13b0 net/unix/garbage.c:320 unix_release_sock+0x91c/0xaa0 net/unix/af_unix.c:607 unix_release+0x88/0xc0 net/unix/af_unix.c:950 __sock_release net/socket.c:649 [inline] sock_close+0xcd/0x230 net/socket.c:1336 __fput+0x3bf/0x890 fs/file_table.c:280 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fc5e5c030a8 Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffc386bcbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fc5e5c030a8 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000c RBP: 00007ffc386dcf98 R08: 0000000000000007 R09: 4043a00b2877dbd7 R10: 0000000000004000 R11: 0000000000000246 R12: 0000562ca6f9ae60 R13: 00007ffc386ccdd8 R14: 0000000000000148 R15: 0000000000000004 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.059 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/02/29 19:19 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/02/29 19:20 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in unix_dgram_sendmsg | |
2024/03/06 02:09 | linux-5.15.y | 80efc6265290 | f39a7eed | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/06 00:02 | linux-5.15.y | 80efc6265290 | f39a7eed | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/03 05:54 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/03 03:18 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/03 01:13 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/02 22:05 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/02 19:39 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/02 18:57 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/02 18:56 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/02 18:46 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/01 02:19 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/03/01 00:12 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in unix_dgram_sendmsg | |
2024/02/29 23:25 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/02/29 21:33 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | |
2024/02/29 16:04 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in unix_dgram_sendmsg | ||
2024/02/29 15:55 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | ||
2024/02/28 21:52 | linux-5.15.y | 458ce51d0356 | 55d6f11d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: task hung in unix_dgram_sendmsg | ||
2024/02/28 06:16 | linux-5.15.y | 458ce51d0356 | d367cbe5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/05 19:40 | linux-5.15.y | 80efc6265290 | f39a7eed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/02 19:04 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in unix_dgram_sendmsg | ||
2024/03/02 18:57 | linux-5.15.y | 80efc6265290 | 25905f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in unix_dgram_sendmsg | ||
2024/02/29 16:04 | linux-5.15.y | 458ce51d0356 | 352ab904 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in unix_dgram_sendmsg |