Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/20 | upstream (ToT) | 13a2e429f644 | C | [report] INFO: task hung in __gfs2_lookup |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/20 | upstream (ToT) | 13a2e429f644 | C | [report] INFO: task hung in __gfs2_lookup |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in __gfs2_lookup gfs2 | C | error | 124 | 3d08h | 236d | 0/28 | upstream: reported C repro on 2024/04/12 09:00 | |
linux-5.15 | INFO: task hung in __gfs2_lookup origin:upstream | C | 22 | 14d | 235d | 0/3 | upstream: reported C repro on 2024/04/13 05:13 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/28 20:01 | 3h20m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/09/28 17:35 | 1h50m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/08/20 20:46 | 1h59m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/07/09 19:31 | 1h53m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/05/31 07:48 | 1h22m | bisect fix | linux-6.1.y | OK (0) job log log |
INFO: task syz-executor300:3582 blocked for more than 143 seconds. Not tainted 6.1.87-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor300 state:D stack:23880 pid:3582 ppid:3580 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 bit_wait+0xe/0xc0 kernel/sched/wait_bit.c:199 __wait_on_bit+0xa8/0x2e0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d0/0x250 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_glock_wait+0xc3/0x2a0 fs/gfs2/glock.c:1346 gfs2_glock_nq_init fs/gfs2/glock.h:264 [inline] __gfs2_lookup+0x117/0x270 fs/gfs2/inode.c:879 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690 lookup_slow+0x53/0x70 fs/namei.c:1707 walk_component+0x2d0/0x400 fs/namei.c:1998 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2479 filename_lookup+0x251/0x600 fs/namei.c:2508 user_path_at_empty+0x3e/0x60 fs/namei.c:2907 user_path_at include/linux/namei.h:57 [inline] ksys_umount fs/namespace.c:1822 [inline] __do_sys_umount fs/namespace.c:1830 [inline] __se_sys_umount fs/namespace.c:1828 [inline] __x64_sys_umount+0xf0/0x170 fs/namespace.c:1828 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fc347b02607 RSP: 002b:00007ffdd2211918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc347b02607 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd22119d0 RBP: 00007ffdd22119d0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdd2212ac0 R13: 00005555555e5740 R14: 00005555555d4338 R15: 00007ffdd2214c0c </TASK> Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d12ae50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d12b650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 1 lock held by khungtaskd/28: #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494 2 locks held by getty/3300: #0: ffff88814b9ec098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188 1 lock held by syz-executor300/3582: #0: ffff888070409c30 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff888070409c30 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xf88/0xfd0 kernel/hung_task.c:377 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:insn_get_opcode+0x2bf/0xa50 Code: 0f 85 34 07 00 00 41 89 2f 89 ee 83 e6 30 31 ff e8 e6 67 02 f7 89 e8 83 e0 30 48 8b 5c 24 50 0f 84 6e 04 00 00 4c 89 7c 24 40 <49> 8d 44 24 15 48 89 44 24 28 49 8d 44 24 03 48 89 44 24 68 4d 89 RSP: 0018:ffffc90000b776e0 EFLAGS: 00000202 RAX: 0000000000000010 RBX: ffffc90000b779e0 RCX: dffffc0000000000 RDX: ffff888018a88000 RSI: 0000000000000010 RDI: 0000000000000000 RBP: 0000000000000010 R08: ffffffff8a882ada R09: ffffc90000b77980 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b77980 R13: dffffc0000000000 R14: 000000000000000f R15: ffffc90000b779cc FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c36725b680 CR3: 000000000ce8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> insn_get_modrm+0x22a/0x790 arch/x86/lib/insn.c:343 insn_get_sib arch/x86/lib/insn.c:421 [inline] insn_get_displacement+0x13a/0x970 arch/x86/lib/insn.c:464 insn_get_immediate+0x458/0x1390 arch/x86/lib/insn.c:632 insn_get_length arch/x86/lib/insn.c:707 [inline] insn_decode+0x36c/0x500 arch/x86/lib/insn.c:747 text_poke_loc_init+0xd2/0x680 arch/x86/kernel/alternative.c:1638 arch_jump_label_transform_queue+0x71/0xd0 arch/x86/kernel/jump_label.c:138 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:447 static_key_disable_cpuslocked+0xca/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 toggle_allocation_gate+0x3e0/0x480 mm/kfence/core.c:818 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.364 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/20 03:12 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | |
2024/11/13 17:54 | linux-6.1.y | d7039b844a1c | bb3f8425 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/13 17:51 | linux-6.1.y | d7039b844a1c | bb3f8425 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/13 02:02 | linux-6.1.y | d7039b844a1c | 62026c85 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/13 02:02 | linux-6.1.y | d7039b844a1c | 62026c85 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/12 16:30 | linux-6.1.y | d7039b844a1c | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/12 16:29 | linux-6.1.y | d7039b844a1c | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/12 16:25 | linux-6.1.y | d7039b844a1c | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/11/12 16:24 | linux-6.1.y | d7039b844a1c | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/27 14:45 | linux-6.1.y | 6741e066ec76 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/22 05:27 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/22 05:27 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/21 05:50 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/20 00:05 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in __gfs2_lookup |