INFO: task syz-executor.2:16518 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-11812-g7733171926cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29744 pid:16518 ppid:5061 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:802 [inline]
__generic_file_fsync+0x9a/0x190 fs/libfs.c:1398
generic_file_fsync+0x73/0xf0 fs/libfs.c:1435
vfs_fsync_range fs/sync.c:188 [inline]
vfs_fsync fs/sync.c:202 [inline]
do_fsync fs/sync.c:212 [inline]
__do_sys_fsync fs/sync.c:220 [inline]
__se_sys_fsync fs/sync.c:218 [inline]
__x64_sys_fsync+0x196/0x1e0 fs/sync.c:218
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4635e7cae9
RSP: 002b:00007f4636bbb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
RAX: ffffffffffffffda RBX: 00007f4635f9c050 RCX: 00007f4635e7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f4635ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f4635f9c050 R15: 00007ffe0173d1c8
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11812-g7733171926cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xdf5/0xe40 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 17573 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-11812-g7733171926cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:741 [inline]
RIP: 0010:__mod_lruvec_page_state+0x13f/0x3e0 mm/memcontrol.c:869
Code: e8 b6 f2 ff ff 48 85 c0 0f 84 06 01 00 00 0f 1f 44 00 00 48 89 c3 49 8d ac 24 80 4b 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 6d 01 00 00 4d 89 e5 48 63 45 00 48 8d 9c c3 f0 0b 00
RSP: 0018:ffffc900034cf6f8 EFLAGS: 00000802
RAX: 0000000000000000 RBX: ffff88803b988000 RCX: ffffffff81ef11f3
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0002488100
RBP: ffff88813fffeb80 R08: ffffea0002488107 R09: 1ffffd4000491020
R10: dffffc0000000000 R11: fffff94000491021 R12: ffff88813fffa000
R13: ffffea0002488100 R14: 0000000000000013 R15: dffffc0000000000
FS: 00007f0ce71676c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1038978038 CR3: 00000000755bf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lruvec_stat_mod_folio include/linux/vmstat.h:615 [inline]
filemap_unaccount_folio+0x1d6/0xc20 mm/filemap.c:185
__filemap_remove_folio+0xcb/0xa80 mm/filemap.c:224
filemap_remove_folio+0x109/0x2e0 mm/filemap.c:257
truncate_inode_folio+0x5d/0x70 mm/truncate.c:195
shmem_undo_range+0x443/0x19c0 mm/shmem.c:1018
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29e/0xa80 mm/shmem.c:1243
evict+0x2a4/0x620 fs/inode.c:664
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0x1f3/0x420 fs/dcache.c:913
__fput+0x60d/0x910 fs/file_table.c:392
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close+0x15f/0x220 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0ce647b9da
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007f0ce7166e80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0ce647b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000020b84
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f0ce7166f3c R14: 00007f0ce7167670 R15: 00007f0cdcbff000