INFO: task syz.1.225:4330 blocked for more than 143 seconds.
Not tainted 6.1.97-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.225 state:D stack:25856 pid:4330 ppid:3557 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
rwsem_down_write_slowpath+0xea1/0x14b0 kernel/locking/rwsem.c:1189
inode_lock include/linux/fs.h:758 [inline]
process_measurement+0x446/0x21b0 security/integrity/ima/ima_main.c:242
ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3630 [inline]
path_openat+0x2687/0x2e60 fs/namei.c:3785
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
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: 0033:0x7f2c8dd75bd9
RSP: 002b:00007f2c8eb7c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f2c8df04038 RCX: 00007f2c8dd75bd9
RDX: 0000000000183341 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f2c8dde4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2c8df04038 R15: 00007fffb3245608
INFO: task syz.1.225:4331 blocked for more than 145 seconds.
Not tainted 6.1.97-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.225 state:D stack:26040 pid:4331 ppid:3557 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
rwsem_down_write_slowpath+0xea1/0x14b0 kernel/locking/rwsem.c:1189
f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
f2fs_issue_checkpoint+0x2d2/0x4d0 fs/f2fs/checkpoint.c:1864
f2fs_create+0x862/0xa10 fs/f2fs/namei.c:377
lookup_open fs/namei.c:3484 [inline]
open_last_lookups fs/namei.c:3552 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3782
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
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: 0033:0x7f2c8dd75bd9
RSP: 002b:00007f2c8eb5b048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f2c8df04110 RCX: 00007f2c8dd75bd9
RDX: 00000000000026e1 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f2c8dde4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2c8df04110 R15: 00007fffb3245608
Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12aed0 (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: ffffffff8d12b6d0 (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: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
4 locks held by kworker/u4:4/56:
#0: ffff88814167c938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90001577d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff8880218200e0 (&type->s_umount_key#57){++++}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:415
#3: ffff888021655140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#3: ffff888021655140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
2 locks held by getty/3307:
#0: ffff88814b9b1098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2198
4 locks held by syz.1.225/4311:
2 locks held by syz.1.225/4330:
#0: ffff888021820460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff88805ce1c850 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff88805ce1c850 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: process_measurement+0x446/0x21b0 security/integrity/ima/ima_main.c:242
3 locks held by syz.1.225/4331:
#0: ffff888021820460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff88805ce1bf70 (&type->i_mutex_dir_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff88805ce1bf70 (&type->i_mutex_dir_key#10){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3549 [inline]
#1: ffff88805ce1bf70 (&type->i_mutex_dir_key#10){+.+.}-{3:3}, at: path_openat+0x7b6/0x2e60 fs/namei.c:3782
#2: ffff888021655140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#2: ffff888021655140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_issue_checkpoint+0x2d2/0x4d0 fs/f2fs/checkpoint.c:1864
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4311 Comm: syz.1.225 Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5400 [inline]
RIP: 0010:lock_is_held_type+0xb2/0x180 kernel/locking/lockdep.c:5705
Code: 89 ed 48 81 c5 e0 0a 00 00 31 db 48 83 fb 31 73 24 48 89 ef 4c 89 fe e8 1c 02 00 00 85 c0 75 2a 48 ff c3 49 63 85 d8 0a 00 00 <48> 83 c5 28 48 39 c3 7c d8 eb 11 48 c7 c7 20 94 ff 8c 48 89 de e8
RSP: 0018:ffffc90013096858 EFLAGS: 00000002
RAX: 0000000000000004 RBX: 0000000000000002 RCX: ffff888024153b80
RDX: 0000000000000000 RSI: ffffffff8d12ac80 RDI: ffff888024154688
RBP: ffff888024154688 R08: ffffffff83ca773c R09: ffffc90013097010
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffff888024153b80 R14: 00000000ffffffff R15: ffffffff8d12ac80
FS: 00007f2c8eb9d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c44f4bd CR3: 000000005acd5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
__might_resched+0xf0/0x780 kernel/sched/core.c:9904
down_read+0x8a/0xa30 kernel/locking/rwsem.c:1519
check_valid_map fs/f2fs/gc.c:988 [inline]
gc_data_segment fs/f2fs/gc.c:1540 [inline]
do_garbage_collect+0x21ed/0x81f0 fs/f2fs/gc.c:1774
f2fs_gc+0x1169/0x32a0 fs/f2fs/gc.c:1873
f2fs_balance_fs+0x506/0x6c0 fs/f2fs/segment.c:429
f2fs_map_blocks+0x2871/0x3ab0 fs/f2fs/data.c:1705
expand_inode_data+0x56d/0xaf0 fs/f2fs/file.c:1749
f2fs_fallocate+0x44a/0x9f0 fs/f2fs/file.c:1846
vfs_fallocate+0x547/0x6b0 fs/open.c:323
do_vfs_ioctl+0x222c/0x2a90 fs/ioctl.c:849
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
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: 0033:0x7f2c8dd75bd9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2c8eb9d048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2c8df03f60 RCX: 00007f2c8dd75bd9
RDX: 00000000200000c0 RSI: 0000000040305828 RDI: 0000000000000004
RBP: 00007f2c8dde4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2c8df03f60 R15: 00007fffb3245608