INFO: task syz-executor.1:15385 blocked for more than 143 seconds.
Not tainted 6.9.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22384 pid:15385 tgid:15342 ppid:13678 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
bch2_write_iter+0x206/0x2840 fs/bcachefs/fs-io-buffered.c:1143
call_write_iter include/linux/fs.h:2110 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xa84/0xcb0 fs/read_write.c:590
ksys_write+0x1a0/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f725667dd69
RSP: 002b:00007f72573d00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f72567ac050 RCX: 00007f725667dd69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f72566ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f72567ac050 R15: 00007ffd5dfa0a48
INFO: task syz-executor.1:15388 blocked for more than 144 seconds.
Not tainted 6.9.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22320 pid:15388 tgid:15342 ppid:13678 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
process_measurement+0x450/0x1f60 security/integrity/ima/ima_main.c:248
ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:559
security_file_post_open+0x6d/0xa0 security/security.c:2981
do_open fs/namei.c:3644 [inline]
path_openat+0x28b7/0x3240 fs/namei.c:3799
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f725667dd69
RSP: 002b:00007f72573af0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f72567ac120 RCX: 00007f725667dd69
RDX: 0000000000007a05 RSI: 0000000020000380 RDI: ffffffffffffff9c
RBP: 00007f72566ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001700 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f72567ac120 R15: 00007ffd5dfa0a48
INFO: task syz-executor.1:15393 blocked for more than 145 seconds.
Not tainted 6.9.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26768 pid:15393 tgid:15342 ppid:13678 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
process_measurement+0x450/0x1f60 security/integrity/ima/ima_main.c:248
ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:559
security_file_post_open+0x6d/0xa0 security/security.c:2981
do_open fs/namei.c:3644 [inline]
path_openat+0x28b7/0x3240 fs/namei.c:3799
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f725667dd69
RSP: 002b:00007f725738e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f72567ac1f0 RCX: 00007f725667dd69
RDX: 0000000000007a05 RSI: 0000000020000380 RDI: ffffffffffffff9c
RBP: 00007f72566ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001700 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f72567ac1f0 R15: 00007ffd5dfa0a48
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4827:
#0: ffff88802a9dd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.4/8125:
3 locks held by syz-executor.1/15344:
#0: ffff888061556ac8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x259/0x320 fs/file.c:1191
#1: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2855 [inline]
#1: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
#2: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#2: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
3 locks held by syz-executor.1/15385:
#0: ffff888062b41748 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x259/0x320 fs/file.c:1191
#1: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2855 [inline]
#1: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
#2: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#2: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
2 locks held by syz-executor.1/15388:
#0: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: process_measurement+0x450/0x1f60 security/integrity/ima/ima_main.c:248
2 locks held by syz-executor.1/15393:
#0: ffff888052942420 (sb_writers#25){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805acbf7d0 (&sb->s_type->i_mutex_key#37){+.+.}-{3:3}, at: process_measurement+0x450/0x1f60 security/integrity/ima/ima_main.c:248
1 lock held by syz-executor.1/15680:
1 lock held by syz-executor.2/16598:
#0: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.3/17335:
2 locks held by syz-executor.4/17341:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f0/0x390 kernel/kthread.c:388
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15680 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:addr_has_metadata mm/kasan/kasan.h:333 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:177 [inline]
RIP: 0010:kasan_check_range+0x2b/0x290 mm/kasan/generic.c:189
Code: 0f 1f 00 55 41 57 41 56 41 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f 82 56 02 00 00 48 89 fd 48 c1 ed 2f <81> fd fe ff 01 00 0f 86 43 02 00 00 48 89 fb 48 c1 eb 03 49 ba 00
RSP: 0018:ffffc900046ef988 EFLAGS: 00000a06
RAX: 0000000000000001 RBX: 000000000000002c RCX: ffffffff84644e82
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88802d341b30
RBP: 000000000001ffff R08: ffff88802d341b38 R09: 1ffff11005a68366
R10: dffffc0000000000 R11: ffffed1005a68367 R12: 000000000000002d
R13: dffffc0000000000 R14: ffff88802d341b30 R15: ffff88802d341b10
FS: 000055556cf37480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555e7fd964e8 CR3: 000000004d7b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
tomoyo_check_acl+0x2d2/0x3f0 security/tomoyo/domain.c:184
tomoyo_path_permission+0x1af/0x360 security/tomoyo/file.c:586
tomoyo_path_perm+0x480/0x740 security/tomoyo/file.c:838
tomoyo_path_unlink+0xd0/0x110 security/tomoyo/tomoyo.c:162
security_path_unlink+0xe1/0x140 security/security.c:1857
do_unlinkat+0x3e6/0x830 fs/namei.c:4396
__do_sys_unlink fs/namei.c:4447 [inline]
__se_sys_unlink fs/namei.c:4445 [inline]
__x64_sys_unlink+0x49/0x60 fs/namei.c:4445
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe00167d517
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007ffc2fd0cde8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe00167d517
RDX: 00007ffc2fd0ce10 RSI: 00007ffc2fd0cea0 RDI: 00007ffc2fd0cea0
RBP: 00007ffc2fd0cea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc2fd0df60
R13: 00007fe0016c9336 R14: 00000000000e421d R15: 000000000000000e