INFO: task kworker/u8:2:35 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:2 state:D stack:21008 pid:35 tgid:35 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:6)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x17fa/0x4bd0 kernel/sched/core.c:6693
__schedule_loop kernel/sched/core.c:6770 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
exfat_write_inode+0xe5/0x1a0 fs/exfat/inode.c:108
write_inode fs/fs-writeback.c:1503 [inline]
__writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723
writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954
wb_writeback+0x41b/0xbd0 fs/fs-writeback.c:2134
wb_do_writeback fs/fs-writeback.c:2281 [inline]
wb_workfn+0x410/0x1090 fs/fs-writeback.c:2321
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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
INFO: task syz.6.103:6910 blocked for more than 145 seconds.
Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.103 state:D stack:26864 pid:6910 tgid:6896 ppid:6052 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x17fa/0x4bd0 kernel/sched/core.c:6693
__schedule_loop kernel/sched/core.c:6770 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
exfat_lookup+0x140/0x18f0 fs/exfat/namei.c:701
lookup_open fs/namei.c:3573 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x11a7/0x3590 fs/namei.c:3930
do_filp_open+0x235/0x490 fs/namei.c:3960
do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_creat fs/open.c:1508 [inline]
__se_sys_creat fs/open.c:1502 [inline]
__x64_sys_creat+0x123/0x170 fs/open.c:1502
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: 0033:0x7fe9aa37e719
RSP: 002b:00007fe9ab0d0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fe9aa536058 RCX: 00007fe9aa37e719
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200011c0
RBP: 00007fe9aa3f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe9aa536058 R15: 00007fff3ca54fd8
INFO: task syz.6.103:6911 blocked for more than 147 seconds.
Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.103 state:D stack:27392 pid:6911 tgid:6896 ppid:6052 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x17fa/0x4bd0 kernel/sched/core.c:6693
__schedule_loop kernel/sched/core.c:6770 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6785
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
inode_lock_shared include/linux/fs.h:825 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1748
walk_component+0x2e1/0x410 fs/namei.c:2053
lookup_last fs/namei.c:2556 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2580
filename_lookup+0x256/0x610 fs/namei.c:2609
user_path_at+0x3a/0x60 fs/namei.c:3016
do_mount fs/namespace.c:3844 [inline]
__do_sys_mount fs/namespace.c:4057 [inline]
__se_sys_mount+0x297/0x3c0 fs/namespace.c:4034
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: 0033:0x7fe9aa37e719
RSP: 002b:00007fe9ab0af038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe9aa536130 RCX: 00007fe9aa37e719
RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007fe9aa3f175e R08: 0000000020000140 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe9aa536130 R15: 00007fff3ca54fd8
INFO: task syz.5.105:6901 blocked for more than 148 seconds.
Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.105 state:D stack:25048 pid:6901 tgid:6900 ppid:6050 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x17fa/0x4bd0 kernel/sched/core.c:6693
__schedule_loop kernel/sched/core.c:6770 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6785
wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:216
sync_inodes_sb+0x28d/0xb50 fs/fs-writeback.c:2799
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7f1014f7e719
RSP: 002b:00007f1015dea038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f1015135f80 RCX: 00007f1014f7e719
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1014ff175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1015135f80 R15: 00007ffc715be188
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
2 locks held by kworker/u8:0/11:
1 lock held by khungtaskd/30:
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
3 locks held by kworker/u8:2/35:
#0: ffff8881416e5148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff8881416e5148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90000ab7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000ab7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffff8880292360e8 (&sbi->s_lock#2){+.+.}-{3:3}, at: exfat_write_inode+0xe5/0x1a0 fs/exfat/inode.c:108
2 locks held by getty/5583:
#0: ffff8880314270a0 (&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+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:6/5953:
3 locks held by syz.6.103/6898:
3 locks held by syz.6.103/6910:
#0: ffff888062d10420 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888063ad1c60 (&sb->s_type->i_mutex_key#26){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888063ad1c60 (&sb->s_type->i_mutex_key#26){++++}-{3:3}, at: open_last_lookups fs/namei.c:3691 [inline]
#1: ffff888063ad1c60 (&sb->s_type->i_mutex_key#26){++++}-{3:3}, at: path_openat+0x89a/0x3590 fs/namei.c:3930
#2: ffff8880292360e8 (&sbi->s_lock#2){+.+.}-{3:3}, at: exfat_lookup+0x140/0x18f0 fs/exfat/namei.c:701
1 lock held by syz.6.103/6911:
#0: ffff888063ad1c60 (&sb->s_type->i_mutex_key#26){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:825 [inline]
#0: ffff888063ad1c60 (&sb->s_type->i_mutex_key#26){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1748
2 locks held by syz.5.105/6901:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.8.140/7265:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7313:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7316:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7317:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7318:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7320:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7322:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7325:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7326:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7329:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.2.145/7330:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.7.149/7439:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz-executor/8244:
#0: ffffffff8fcc1708 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fcc1708 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6672
#1: ffff8880506d1428 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x22d/0x420 drivers/net/wireguard/device.c:50
3 locks held by kworker/u8:11/8343:
#0: ffff88814bf46948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88814bf46948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc9000b9a7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000b9a7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcc1708 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4196
2 locks held by syz.4.245/8458:
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888062d100e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff8881433507d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x26e/0xb50 fs/fs-writeback.c:2797
2 locks held by syz.1.249/8482:
1 lock held by udevd/8569:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6898 Comm: syz.6.103 Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x4a/0x70 kernel/kcov.c:223
Code: 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 <8b> 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 c3 cc cc
RSP: 0000:ffffc9000bef79b8 EFLAGS: 00000246
RAX: ffffffff827f185c RBX: 00000000039aa9a9 RCX: ffff888025fa9e00
RDX: ffffc9000c30a000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000bef7ad8 R08: ffffffff827f184d R09: ffffffff827f0e27
R10: 0000000000000003 R11: ffff888025fa9e00 R12: 000000000000000d
R13: 0000000000000009 R14: 0000000000000001 R15: ffff888063ad21b0
FS: 00007fe9ab0f16c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634015a19d8 CR3: 0000000029190000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__exfat_free_cluster+0x65c/0x990 fs/exfat/fatent.c:206
exfat_free_cluster+0x77/0xd0 fs/exfat/fatent.c:232
__exfat_truncate+0x745/0xa60 fs/exfat/file.c:235
exfat_evict_inode+0xd8/0x270 fs/exfat/inode.c:683
evict+0x4e8/0x9b0 fs/inode.c:725
do_unlinkat+0x512/0x830 fs/namei.c:4540
__do_sys_unlink fs/namei.c:4581 [inline]
__se_sys_unlink fs/namei.c:4579 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:4579
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: 0033:0x7fe9aa37e719
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:00007fe9ab0f1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007fe9aa535f80 RCX: 00007fe9aa37e719
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fe9aa3f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe9aa535f80 R15: 00007fff3ca54fd8