INFO: task syz-executor.2:1936 blocked for more than 143 seconds.
Not tainted 6.8.0-rc7-syzkaller-00020-g5847c9777c30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:21784 pid:1936 tgid:1858 ppid:5098 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
wait_extent_bit fs/btrfs/extent-io-tree.c:822 [inline]
lock_extent+0x69d/0x860 fs/btrfs/extent-io-tree.c:1868
btrfs_lock_and_flush_ordered_range+0x12e/0x220 fs/btrfs/ordered-data.c:1092
contiguous_readpages fs/btrfs/extent_io.c:1186 [inline]
extent_readahead+0x10c1/0x1470 fs/btrfs/extent_io.c:2292
read_pages+0x184/0x840 mm/readahead.c:160
page_cache_ra_unbounded+0x186/0x7c0 mm/readahead.c:241
page_cache_sync_readahead include/linux/pagemap.h:1300 [inline]
filemap_get_pages+0x49c/0x2090 mm/filemap.c:2498
filemap_read+0x41b/0xec0 mm/filemap.c:2594
__kernel_read+0x5c7/0xab0 fs/read_write.c:434
integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:221
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0xadb/0x1b30 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x554/0xb40 security/integrity/ima/ima_api.c:290
process_measurement+0x136d/0x21d0 security/integrity/ima/ima_main.c:359
ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:557
do_open fs/namei.c:3647 [inline]
path_openat+0x28b6/0x3240 fs/namei.c:3802
do_filp_open+0x234/0x490 fs/namei.c:3829
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_open fs/open.c:1427 [inline]
__se_sys_open fs/open.c:1423 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1423
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fbf94e7dda9
RSP: 002b:00007fbf95b340c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fbf94fac050 RCX: 00007fbf94e7dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 00007fbf94eca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbf94fac050 R15: 00007ffeec435838
INFO: task syz-executor.2:1937 blocked for more than 144 seconds.
Not tainted 6.8.0-rc7-syzkaller-00020-g5847c9777c30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26320 pid:1937 tgid:1858 ppid:5098 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
io_schedule+0x8c/0x110 kernel/sched/core.c:9023
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1274
__filemap_get_folio+0xa3/0xbc0 mm/filemap.c:1865
pagecache_get_page+0x2c/0x200 mm/folio-compat.c:93
find_or_create_page include/linux/pagemap.h:757 [inline]
copy_inline_to_page+0x234/0xc50 fs/btrfs/reflink.c:86
clone_copy_inline_extent fs/btrfs/reflink.c:320 [inline]
btrfs_clone+0x1757/0x2a50 fs/btrfs/reflink.c:528
btrfs_clone_files+0x32f/0x3f0 fs/btrfs/reflink.c:770
btrfs_remap_file_range+0x5a7/0xeb0 fs/btrfs/reflink.c:908
vfs_clone_file_range+0x4ea/0x8d0 fs/remap_range.c:403
ioctl_file_clone fs/ioctl.c:240 [inline]
ioctl_file_clone_range fs/ioctl.c:259 [inline]
do_vfs_ioctl+0xfad/0x2b60 fs/ioctl.c:824
__do_sys_ioctl fs/ioctl.c:869 [inline]
__se_sys_ioctl+0x81/0x170 fs/ioctl.c:857
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fbf94e7dda9
RSP: 002b:00007fbf95b130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbf94fac120 RCX: 00007fbf94e7dda9
RDX: 0000000020000000 RSI: 000000004020940d RDI: 0000000000000005
RBP: 00007fbf94eca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbf94fac120 R15: 00007ffeec435838
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
1 lock held by udevd/4514:
2 locks held by getty/4823:
#0: ffff8880302400a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.4/5100:
#0: ffff888041ee20e0 (&type->s_umount_key#57){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff888041ee20e0 (&type->s_umount_key#57){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff888041ee20e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:504
4 locks held by syz-executor.1/15767:
2 locks held by kworker/u4:6/32090:
2 locks held by syz-executor.2/1936:
#0: ffff8880316d4e60 (&iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x7d4/0x21d0 security/integrity/ima/ima_main.c:267
#1: ffff88803d851898 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:859 [inline]
#1: ffff88803d851898 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:225
5 locks held by syz-executor.2/1937:
#0: ffff888028a0a420 (sb_writers#17){.+.+}-{0:0}, at: ioctl_file_clone fs/ioctl.c:240 [inline]
#0: ffff888028a0a420 (sb_writers#17){.+.+}-{0:0}, at: ioctl_file_clone_range fs/ioctl.c:259 [inline]
#0: ffff888028a0a420 (sb_writers#17){.+.+}-{0:0}, at: do_vfs_ioctl+0xfad/0x2b60 fs/ioctl.c:824
#1: ffff88803d8516f8 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
#1: ffff88803d8516f8 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: lock_two_nondirectories+0xe1/0x170 fs/inode.c:1109
#2: ffff88803d8578f0 (&sb->s_type->i_mutex_key#23/4){+.+.}-{3:3}, at: btrfs_remap_file_range+0x165/0xeb0 fs/btrfs/reflink.c:896
#3: ffff88803d857778 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_double_mmap_lock fs/btrfs/reflink.c:652 [inline]
#3: ffff88803d857778 (&ei->i_mmap_lock){++++}-{3:3}, at: btrfs_remap_file_range+0x182/0xeb0 fs/btrfs/reflink.c:897
#4: ffff88803d851580 (&ei->i_mmap_lock/1){+.+.}-{3:3}, at: btrfs_double_mmap_lock fs/btrfs/reflink.c:653 [inline]
#4: ffff88803d851580 (&ei->i_mmap_lock/1){+.+.}-{3:3}, at: btrfs_remap_file_range+0x19e/0xeb0 fs/btrfs/reflink.c:897
1 lock held by syz-executor.2/4747:
#0: ffffffff8e136578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8e136578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:995
1 lock held by udevadm/4748:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc7-syzkaller-00020-g5847c9777c30 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
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:222 [inline]
watchdog+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5097 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller-00020-g5847c9777c30 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:lock_release+0x5f2/0x9d0 kernel/locking/lockdep.c:5777
Code: f8 01 0f 85 9a 00 00 00 4c 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 4a fc 80 00 48 c7 84 24 90 00 00 00 00 00 00 00 <9c> 8f 84 24 90 00 00 00 42 80 3c 3b 00 74 08 4c 89 f7 e8 37 fb 80
RSP: 0018:ffffc9000444f560 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000889ebe RCX: ffffc9000444f503
RDX: 0000000000000002 RSI: ffffffff8baac7e0 RDI: ffffffff8bfd99e0
RBP: ffffc9000444f688 R08: ffffffff8f84406f R09: 1ffffffff1f0880d
R10: dffffc0000000000 R11: fffffbfff1f0880e R12: 1ffff92000889eb8
R13: 0000000000000046 R14: ffffc9000444f5f0 R15: dffffc0000000000
FS: 0000555557263480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555af92bc668 CR3: 000000002ca70000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
filemap_unaccount_folio+0x1d6/0xc30 mm/filemap.c:183
__filemap_remove_folio+0xcd/0xa70 mm/filemap.c:222
filemap_remove_folio+0x109/0x2e0 mm/filemap.c:255
truncate_inode_folio+0x5d/0x70 mm/truncate.c:195
shmem_undo_range+0x439/0x1da0 mm/shmem.c:1001
shmem_truncate_range mm/shmem.c:1114 [inline]
shmem_evict_inode+0x29b/0xa60 mm/shmem.c:1242
evict+0x2a8/0x630 fs/inode.c:665
__dentry_kill+0x20d/0x630 fs/dcache.c:603
dput+0x19f/0x2b0 fs/dcache.c:845
__fput+0x678/0x8a0 fs/file_table.c:384
task_work_run+0x24e/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x167/0x360 kernel/entry/common.c:212
do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb76587db0b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fff210f03f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fb76587db0b
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 00007fff210f04ac R08: 0000000000000000 R09: 00007fff210f0197
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000001a316f R14: 00000000001a2864 R15: 0000000000000014