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INFO: task hung in path_openat (7)

Status: upstream: reported C repro on 2022/10/06 10:29
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+950a0cdaa2fdd14f5bdc@syzkaller.appspotmail.com
First crash: 940d, last: 5m
Cause bisection: introduced by (bisect log) [merge commit]:
commit 4223a5be80b8998d717c6b0e1000070e0e336bf3
Author: Jens Axboe <axboe@kernel.dk>
Date: Thu Dec 10 14:08:22 2020 +0000

  Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.10

Crash: BUG: scheduling while atomic in corrupted (log)
Repro: C syz .config
  
▶ ▼ Discussions (14)
Title Replies (including bot) Last reply
[syzbot] INFO: task hung in path_openat (7) 0 (2) 2024/09/06 21:56
[syzbot] Monthly fs report (Jul 2024) 0 (1) 2024/07/18 07:59
[syzbot] Monthly fs report (Mar 2024) 0 (1) 2024/03/16 12:09
[syzbot] Monthly fs report (Feb 2024) 0 (1) 2024/02/12 21:31
[syzbot] Monthly exfat report (Nov 2023) 2 (3) 2023/11/29 15:48
[syzbot] Monthly kernfs report (Nov 2023) 0 (1) 2023/11/29 13:03
[syzbot] Monthly nilfs report (Oct 2023) 0 (1) 2023/11/01 10:11
[syzbot] Monthly nilfs report (Sep 2023) 0 (1) 2023/10/02 09:42
[syzbot] Monthly exfat report (Aug 2023) 0 (1) 2023/08/09 12:33
[syzbot] Monthly ext4 report (Jul 2023) 0 (1) 2023/07/06 14:18
[syzbot] Monthly nilfs report (May 2023) 0 (1) 2023/05/29 08:50
[syzbot] Monthly nilfs report (Apr 2023) 0 (1) 2023/04/27 10:39
[syzbot] Monthly nilfs report 0 (1) 2023/03/27 11:03
[syzbot] [ext4] Monthly Report 0 (1) 2023/03/24 15:59
▶ ▼ Similar bugs (17)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in path_openat 2 1826d 1859d 0/1 auto-closed as invalid on 2020/01/11 07:40
upstream INFO: task hung in path_openat (4) fuse 1 1597d 1597d 0/27 auto-closed as invalid on 2020/07/28 10:23
upstream INFO: task hung in path_openat (3) fs 4 1756d 1873d 0/27 auto-closed as invalid on 2020/02/19 20:16
linux-6.1 INFO: task hung in path_openat (2) 1 257d 257d 0/3 auto-obsoleted due to no activity on 2024/04/08 11:39
linux-5.15 INFO: task hung in path_openat (2) 74 3d12h 151d 0/3 upstream: reported on 2024/04/14 03:45
linux-4.19 INFO: task hung in path_openat (2) 1 1026d 1026d 0/1 auto-closed as invalid on 2022/03/21 04:47
linux-4.14 INFO: task hung in path_openat 1 1266d 1266d 0/1 auto-closed as invalid on 2021/07/23 23:26
android-49 INFO: task hung in path_openat 64 1997d 1978d 0/3 auto-closed as invalid on 2019/09/22 08:41
upstream INFO: task hung in path_openat (5) fs 23 1237d 1399d 0/27 auto-closed as invalid on 2021/07/22 20:44
linux-4.19 INFO: task hung in path_openat (3) f2fs jfs 20 603d 763d 0/1 upstream: reported on 2022/08/11 13:14
upstream INFO: task hung in path_openat (6) fs 13 973d 1123d 0/27 closed as invalid on 2022/02/07 19:19
android-414 INFO: task hung in path_openat 42 1900d 1979d 0/1 auto-closed as invalid on 2019/10/28 21:04
linux-6.1 INFO: task hung in path_openat 3 425d 527d 0/3 auto-obsoleted due to no activity on 2023/10/23 12:08
linux-6.1 INFO: task hung in path_openat (3) 28 26d 151d 0/3 upstream: reported on 2024/04/14 13:03
upstream INFO: task hung in path_openat exfat 246 2065d 2355d 0/27 closed as dup on 2018/09/08 15:37
linux-5.15 INFO: task hung in path_openat C error 3 407d 519d 0/3 auto-obsoleted due to no activity on 2023/11/09 20:56
upstream INFO: task hung in path_openat (2) fs 1 1967d 1967d 0/27 closed as invalid on 2019/05/08 13:05

Sample crash report:
INFO: task syz-executor102:5262 blocked for more than 143 seconds.
      Not tainted 6.11.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor102 state:D stack:27320 pid:5262  tgid:5250  ppid:5244   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
 inode_lock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3644 [inline]
 path_openat+0x7fb/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
RSP: 002b:00007fa163a92238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa163b8f6b8 RCX: 00007fa163afdbc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007fa163b8f6b0 R08: 00007ffc941efc27 R09: 00007fa163a926c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 000000000000006e R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>
INFO: task syz-executor102:5266 blocked for more than 144 seconds.
      Not tainted 6.11.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor102 state:D stack:26808 pid:5266  tgid:5249  ppid:5246   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
 inode_lock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3644 [inline]
 path_openat+0x7fb/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
RSP: 002b:00007fa163a92238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa163b8f6b8 RCX: 00007fa163afdbc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007fa163b8f6b0 R08: 00007ffc941efc27 R09: 00007fa163a926c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 000000000000006e R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>
INFO: task syz-executor102:5263 blocked for more than 145 seconds.
      Not tainted 6.11.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor102 state:D stack:27952 pid:5263  tgid:5251  ppid:5245   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
 inode_lock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3644 [inline]
 path_openat+0x7fb/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
RSP: 002b:00007fa163a92238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa163b8f6b8 RCX: 00007fa163afdbc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007fa163b8f6b0 R08: 00007ffc941efc27 R09: 00007fa163a926c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 000000000000006e R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>
INFO: task syz-executor102:5265 blocked for more than 146 seconds.
      Not tainted 6.11.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor102 state:D stack:27952 pid:5265  tgid:5252  ppid:5247   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
 inode_lock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3644 [inline]
 path_openat+0x7fb/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
RSP: 002b:00007fa163a92238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa163b8f6b8 RCX: 00007fa163afdbc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007fa163b8f6b0 R08: 00007fa163a926c0 R09: 00007fa163a926c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 000000000000006e R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>
INFO: task syz-executor102:5264 blocked for more than 147 seconds.
      Not tainted 6.11.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor102 state:D stack:27952 pid:5264  tgid:5254  ppid:5248   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
 inode_lock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3644 [inline]
 path_openat+0x7fb/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
RSP: 002b:00007fa163a92238 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa163b8f6b8 RCX: 00007fa163afdbc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007fa163b8f6b0 R08: 00007ffc941efc27 R09: 00007fa163a926c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 000000000000006e R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e738320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
 #0: ffffffff8e738320 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #0: ffffffff8e738320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6626
1 lock held by kswapd0/90:
1 lock held by kswapd1/91:
2 locks held by getty/4980:
 #0: ffff88803086b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor102/5255:
1 lock held by syz-executor102/5262:
 #0: ffff888078304c00 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #0: ffff888078304c00 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
 #0: ffff888078304c00 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
2 locks held by syz-executor102/5256:
1 lock held by syz-executor102/5266:
 #0: ffff888078305140 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #0: ffff888078305140 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
 #0: ffff888078305140 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
1 lock held by syz-executor102/5258:
1 lock held by syz-executor102/5263:
 #0: ffff8880783046c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #0: ffff8880783046c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
 #0: ffff8880783046c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
2 locks held by syz-executor102/5257:
1 lock held by syz-executor102/5265:
 #0: ffff888078304180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #0: ffff888078304180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
 #0: ffff888078304180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
1 lock held by syz-executor102/5259:
1 lock held by syz-executor102/5264:
 #0: ffff888072498180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #0: ffff888072498180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
 #0: ffff888072498180 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xff4/0x1040 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5259 Comm: syz-executor102 Not tainted 6.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:xas_load+0x88/0x5c0 lib/xarray.c:240
Code: 4c 89 64 24 08 4c 89 6c 24 30 44 89 f3 83 e3 03 bf 02 00 00 00 48 89 de e8 85 6f e7 f5 49 81 fe 01 10 00 00 0f 82 00 05 00 00 <83> fb 02 0f 85 f7 04 00 00 49 8d 5e fe 48 8b 44 24 38 0f b6 04 28
RSP: 0018:ffffc90003d26e40 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffff888079808000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffffffff8bac21bb R09: 1ffffffff27f4d08
R10: dffffc0000000000 R11: fffffbfff27f4d09 R12: ffffc90003d26f00
R13: ffffc90003d26f08 R14: ffff88805f254dc2 R15: ffff888022d3d918
FS:  00007fa163ab36c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005610bcdf07f0 CR3: 0000000074eac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 filemap_get_entry+0x1f0/0x3b0 mm/filemap.c:1840
 __filemap_get_folio+0x79/0xc10 mm/filemap.c:1885
 __find_get_block_slow fs/buffer.c:203 [inline]
 __find_get_block+0x28a/0x1150 fs/buffer.c:1408
 bdev_getblk+0x33/0x550 fs/buffer.c:1435
 __bread_gfp+0x86/0x400 fs/buffer.c:1495
 sb_bread include/linux/buffer_head.h:347 [inline]
 get_branch+0x2c3/0x6e0 fs/sysv/itree.c:102
 get_block+0x180/0x16d0 fs/sysv/itree.c:222
 block_read_full_folio+0x418/0xcd0 fs/buffer.c:2406
 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355
 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789
 do_read_cache_page+0x30/0x200 mm/filemap.c:3855
 read_mapping_page include/linux/pagemap.h:907 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1af/0x410 fs/sysv/dir.c:157
 sysv_inode_by_name+0x98/0x1f0 fs/sysv/dir.c:374
 sysv_lookup+0x6b/0xe0 fs/sysv/namei.c:38
 lookup_open fs/namei.c:3556 [inline]
 open_last_lookups fs/namei.c:3647 [inline]
 path_openat+0x11cc/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_open fs/open.c:1439 [inline]
 __se_sys_open fs/open.c:1435 [inline]
 __x64_sys_open+0x225/0x270 fs/open.c:1435
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa163afdbc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa163ab3238 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fa163b8f6a8 RCX: 00007fa163afdbc9
RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000000020000180
RBP: 00007fa163b8f6a0 R08: 00007fa163ab36c0 R09: 00007fa163ab36c0
R10: 00007fa163ab36c0 R11: 0000000000000246 R12: 00007fa163b520c0
R13: 0000000000000006 R14: 00007ffc941efb40 R15: 00007ffc941efc28
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.204 msecs

Crashes (3455):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/09 22:48 upstream da3ea35007d0 073f8be2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs INFO: task hung in path_openat
2024/09/06 21:56 upstream b831f83e40a2 9750182a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 16:27 upstream 77f587896757 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 15:08 upstream 77f587896757 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 13:35 upstream 77f587896757 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 12:24 upstream 77f587896757 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 10:56 upstream 77f587896757 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 07:50 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 05:31 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 05:04 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 02:59 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/12 01:36 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 23:29 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 21:42 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 20:32 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 20:24 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 18:13 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 16:51 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 15:43 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 14:40 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 12:56 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 10:14 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 09:09 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 08:30 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 06:43 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 05:14 upstream 8d8d276ba2fb 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/11 02:36 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 23:38 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 22:38 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 20:10 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 18:57 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 18:38 upstream 8d8d276ba2fb 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 16:22 upstream bc83b4d1f086 86aa7bd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 13:26 upstream bc83b4d1f086 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 12:26 upstream bc83b4d1f086 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 10:25 upstream bc83b4d1f086 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 06:04 upstream bc83b4d1f086 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/10 04:14 upstream bc83b4d1f086 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 20:22 upstream da3ea35007d0 073f8be2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 16:36 upstream da3ea35007d0 073f8be2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 15:03 upstream da3ea35007d0 073f8be2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 11:18 upstream da3ea35007d0 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 06:02 upstream 89f5e14d05b4 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 03:58 upstream 89f5e14d05b4 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/09/09 01:22 upstream 89f5e14d05b4 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in path_openat
2024/08/27 14:27 upstream 3e9bff3bbe13 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in path_openat
2024/06/26 07:38 upstream 55027e689933 dec8bc94 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in path_openat
2024/06/25 21:43 upstream 55027e689933 da0bd5ca .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in path_openat
2022/10/06 05:03 upstream 2bca25eaeba6 2c6543ad .config console log report info [disk image] [vmlinux] ci2-upstream-fs INFO: task hung in path_openat
2022/10/01 15:49 upstream ffb4d94b4314 feb56351 .config console log report info [disk image] [vmlinux] ci2-upstream-fs INFO: task hung in path_openat
2022/02/14 18:00 upstream 754e0b0e3560 8b9ca619 .config console log report info ci-upstream-kasan-gce-root INFO: task hung in path_openat
2024/08/02 14:06 linux-next 931a3b3bccc9 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in path_openat
2024/08/27 12:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci be6d853c7631 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in path_openat
* Struck through repros no longer work on HEAD.