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[syzbot] [hfs?] INFO: task hung in hfs_find_init (2) | 1 (3) | 2024/01/22 06:50 |
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[syzbot] [hfs?] INFO: task hung in hfs_find_init (2) | 1 (3) | 2024/01/22 06:50 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in hfs_find_init hfs | C | error | 1 | 457d | 469d | 0/28 | auto-obsoleted due to no activity on 2023/11/21 14:04 |
INFO: task kworker/u4:1:12 blocked for more than 143 seconds. Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:1 state:D stack:23968 pid:12 tgid:12 ppid:2 flags:0x00004000 Workqueue: writeback wb_workfn (flush-7:0) Call Trace: <TASK> context_switch kernel/sched/core.c:5400 [inline] __schedule+0xf12/0x5c00 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xe9/0x270 kernel/sched/core.c:6817 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752 hfs_find_init+0x17f/0x220 fs/hfs/bfind.c:33 hfs_ext_write_extent+0x18e/0x1f0 fs/hfs/extent.c:141 hfs_write_inode+0xc4/0x9f0 fs/hfs/inode.c:427 write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0xa91/0xe90 fs/fs-writeback.c:1690 writeback_sb_inodes+0x599/0x1080 fs/fs-writeback.c:1916 __writeback_inodes_wb+0xff/0x2d0 fs/fs-writeback.c:1987 wb_writeback+0x7f8/0xaa0 fs/fs-writeback.c:2094 wb_check_background_flush fs/fs-writeback.c:2164 [inline] wb_do_writeback fs/fs-writeback.c:2252 [inline] wb_workfn+0x87c/0xfe0 fs/fs-writeback.c:2279 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK> INFO: task syz-executor755:5051 blocked for more than 143 seconds. Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor755 state:D stack:26976 pid:5051 tgid:5051 ppid:5049 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5400 [inline] __schedule+0xf12/0x5c00 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xe9/0x270 kernel/sched/core.c:6817 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752 hfs_find_init+0x17f/0x220 fs/hfs/bfind.c:33 hfs_ext_read_extent+0x19c/0x9d0 fs/hfs/extent.c:200 hfs_extend_file+0x4e0/0xb10 fs/hfs/extent.c:401 hfs_bmap_reserve+0x29c/0x370 fs/hfs/btree.c:234 __hfs_ext_write_extent+0x3cb/0x520 fs/hfs/extent.c:121 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x805/0x9d0 fs/hfs/extent.c:202 hfs_extend_file+0x4e0/0xb10 fs/hfs/extent.c:401 hfs_get_block+0x17f/0x820 fs/hfs/extent.c:353 __block_write_begin_int+0x4fb/0x16e0 fs/buffer.c:2103 __block_write_begin fs/buffer.c:2152 [inline] block_write_begin+0xb1/0x490 fs/buffer.c:2211 cont_write_begin+0x530/0x730 fs/buffer.c:2565 hfs_write_begin+0x87/0x140 fs/hfs/inode.c:53 generic_perform_write+0x278/0x600 mm/filemap.c:3928 __generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4023 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4049 call_write_iter include/linux/fs.h:2085 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x64f/0xdf0 fs/read_write.c:590 ksys_write+0x12f/0x250 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f9a72ed2a59 RSP: 002b:00007ffcc7d3ea78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a72ed2a59 RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f9a72f465f0 R08: 0000555555d2b4c0 R09: 0000555555d2b4c0 R10: 00000000000002ba R11: 0000000000000246 R12: 00007ffcc7d3eaa0 R13: 00007ffcc7d3ecc8 R14: 431bde82d7b634db R15: 00007f9a72f1b03b </TASK> INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf87/0x1210 kernel/hung_task.c:379 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200 Code: c6 71 e0 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 48 8b 14 25 40 c2 03 00 65 8b 05 e4 c8 7c 7e a9 00 RSP: 0018:ffffc900001079a0 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff812fe3af RDX: ffff888015693b80 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffffffff81d45d23 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000d27 R13: 0000000000000003 R14: ffffffff8d320100 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feace266b90 CR3: 000000000cf79000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> __text_poke+0x8d2/0xca0 arch/x86/kernel/alternative.c:1961 text_poke_bp_batch+0x3e0/0x750 arch/x86/kernel/alternative.c:2319 text_poke_flush arch/x86/kernel/alternative.c:2488 [inline] text_poke_flush arch/x86/kernel/alternative.c:2485 [inline] text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2495 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x1d7/0x400 kernel/jump_label.c:829 static_key_disable_cpuslocked+0x154/0x1c0 kernel/jump_label.c:235 static_key_disable+0x1a/0x20 kernel/jump_label.c:243 toggle_allocation_gate mm/kfence/core.c:831 [inline] toggle_allocation_gate+0x13f/0x250 mm/kfence/core.c:818 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.570 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/01/16 14:38 | upstream | 052d534373b7 | 2a7bcc7f | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hfs_find_init | |
2024/12/12 03:30 | upstream | 231825b2e1ff | 6f1b0fa8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in hfs_find_init | ||
2024/12/11 03:18 | upstream | f92f4749861b | cfc402b4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in hfs_find_init | ||
2024/12/06 21:50 | upstream | 9a6e8c7c3a02 | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in hfs_find_init | ||
2024/11/26 12:28 | upstream | 7eef7e306d3c | e9a9a9f2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in hfs_find_init | ||
2024/11/20 09:59 | upstream | bf9aa14fc523 | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in hfs_find_init | ||
2024/11/25 09:14 | linux-next | 85a2dd7d7c81 | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hfs_find_init | ||
2024/11/11 20:57 | linux-next | 929beafbe7ac | 97fe5517 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hfs_find_init | ||
2024/11/03 16:07 | linux-next | c88416ba074a | f00eed24 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hfs_find_init | ||
2024/07/14 11:30 | linux-next | 3fe121b62282 | eaeb5c15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hfs_find_init | ||
2024/02/27 23:52 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9abbc24128bc | 05e69c83 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in hfs_find_init | ||
2024/02/27 22:53 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9abbc24128bc | 05e69c83 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in hfs_find_init | ||
2024/02/27 22:53 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9abbc24128bc | 05e69c83 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in hfs_find_init | ||
2024/02/23 10:04 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9abbc24128bc | 8d446f15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in hfs_find_init |