INFO: task syz-executor.5:2232 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29768 pid:2232 ppid:5038 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
init_module_from_file+0x300/0x6a0 kernel/module/main.c:3125
__do_sys_finit_module kernel/module/main.c:3171 [inline]
__se_sys_finit_module kernel/module/main.c:3154 [inline]
__x64_sys_finit_module+0xfd/0x190 kernel/module/main.c:3154
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd68428c389
RSP: 002b:00007fd684f03168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007fd6843ac050 RCX: 00007fd68428c389
RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000028
RBP: 00007fd6842d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff2531cc2f R14: 00007fd684f03300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a1af0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a17f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/27:
#0: ffffffff8c9a2700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4749:
#0: ffff8880288b4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf02/0x13f0 drivers/tty/n_tty.c:2176
3 locks held by syz-executor.1/5717:
2 locks held by syz-executor.5/5720:
#0: ffff88814bf02410 (sb_writers#4){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1322 [inline]
#0: ffff88814bf02410 (sb_writers#4){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1308 [inline]
#0: ffff88814bf02410 (sb_writers#4){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1308
#1: ffff8880786c2c00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:781 [inline]
#1: ffff8880786c2c00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_dio_write_iter fs/ext4/file.c:562 [inline]
#1: ffff8880786c2c00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_file_write_iter+0xd07/0x1880 fs/ext4/file.c:720
4 locks held by syz-executor.0/5743:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 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+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:389
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: 5717 Comm: syz-executor.1 Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:__set_page_owner_handle+0x13f/0x3c0 mm/page_owner.c:170
Code: 00 00 e8 04 ed a3 ff 48 8b 2d 8d 32 d4 0a 48 b8 00 00 00 00 00 fc ff df 48 01 dd 48 8d 7d 08 48 89 fa 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e e2 01 00 00 8b 44 24 14 48 89 ea 48 c1 ea
RSP: 0018:ffffc9000a9473e8 EFLAGS: 00000216
RAX: 0000000000000000 RBX: ffff8880178d9680 RCX: ffffc90005121000
RDX: 1ffff11002f1b2d2 RSI: ffffffff81e0e1cc RDI: ffff8880178d9690
RBP: ffff8880178d9688 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000140cca
R13: 0000000007b90144 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f7026f08700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002000 CR3: 000000009357c000 CR4: 0000000000350ee0
Call Trace:
__set_page_owner+0x48/0x60 mm/page_owner.c:197
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1570
prep_new_page mm/page_alloc.c:1577 [inline]
get_page_from_freelist+0xfed/0x2d30 mm/page_alloc.c:3221
__alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4477
__folio_alloc+0x16/0x40 mm/page_alloc.c:4509
vma_alloc_folio+0x155/0x890 mm/mempolicy.c:2240
shmem_alloc_folio+0x119/0x1e0 mm/shmem.c:1579
shmem_alloc_and_acct_folio+0x15e/0x5d0 mm/shmem.c:1603
shmem_get_folio_gfp+0x9cc/0x1a80 mm/shmem.c:1948
shmem_get_folio mm/shmem.c:2079 [inline]
shmem_write_begin+0x14a/0x380 mm/shmem.c:2573
generic_perform_write+0x26b/0x5d0 mm/filemap.c:3923
__generic_file_write_iter+0x1f8/0x240 mm/filemap.c:4018
generic_file_write_iter+0xe3/0x350 mm/filemap.c:4044
call_write_iter include/linux/fs.h:1871 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x981/0xda0 fs/read_write.c:584
ksys_write+0x122/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f702623dfff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f7026f07f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f702623dfff
RDX: 0000000001000000 RSI: 00007f701c9ff000 RDI: 0000000000000003
RBP: 00007f701c9ff000 R08: 0000000000000000 R09: 00000000000051c8
R10: 0000000001000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7026f07fdc R14: 00007f7026f07fe0 R15: 000000002000a442