Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/05/01 | upstream (ToT) | 18daea77cca6 | C | [report] INFO: task hung in __gfs2_lookup |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/05/01 | upstream (ToT) | 18daea77cca6 | C | [report] INFO: task hung in __gfs2_lookup |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-6.1 | INFO: task hung in __gfs2_lookup origin:upstream | C | 6 | 11d | 134d | 0/3 | upstream: reported C repro on 2024/04/20 00:06 | ||
upstream | INFO: task hung in __gfs2_lookup gfs2 | C | error | 116 | 18d | 141d | 0/27 | upstream: reported C repro on 2024/04/12 09:00 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/08/29 12:03 | 4h22m | bisect fix | linux-5.15.y | OK (0) job log log | |
2024/05/28 05:18 | 1h30m | bisect fix | linux-5.15.y | OK (0) job log log |
INFO: task syz-executor105:3541 blocked for more than 143 seconds. Not tainted 5.15.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor105 state:D stack:24096 pid: 3541 ppid: 3539 flags:0x00004002 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 bit_wait+0xe/0xc0 kernel/sched/wait_bit.c:199 __wait_on_bit+0xb9/0x180 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+0xda/0x1c0 fs/gfs2/glock.c:1280 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline] __gfs2_lookup+0x113/0x270 fs/gfs2/inode.c:882 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 user_path_at_empty+0x40/0x180 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] ksys_umount fs/namespace.c:1779 [inline] __do_sys_umount fs/namespace.c:1787 [inline] __se_sys_umount fs/namespace.c:1785 [inline] __x64_sys_umount+0xf0/0x170 fs/namespace.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f043b8545c7 RSP: 002b:00007ffc4723d2b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f043b8545c7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc4723d370 RBP: 00007ffc4723d370 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc4723e460 R13: 0000555556fae740 R14: 0000555556f9d338 R15: 00007ffc472405e0 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3265: #0: ffff88814abe3098 (&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 1 lock held by syz-executor105/3541: #0: ffff8880725095a8 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff8880725095a8 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.154-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+0x1e3/0x2d0 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:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/13 09:32 | linux-5.15.y | cdfd0a7f0139 | c8349e48 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | |
2024/07/22 00:01 | linux-5.15.y | 7c6d66f0266f | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/07/02 03:26 | linux-5.15.y | 4878aadf2d15 | b294e901 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/22 23:06 | linux-5.15.y | c52b9710c83d | 36c961ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/22 23:06 | linux-5.15.y | c52b9710c83d | 36c961ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/14 05:24 | linux-5.15.y | fa3df276cd36 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/13 05:13 | linux-5.15.y | cdfd0a7f0139 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup | ||
2024/04/13 05:13 | linux-5.15.y | cdfd0a7f0139 | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in __gfs2_lookup |