INFO: task syz-executor.2:15166 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23112 pid:15166 ppid:5026 flags:0x00004004
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: 0033:0x7f107328c389
RSP: 002b:00007f1073f1c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007f10733abf80 RCX: 00007f107328c389
RDX: 0000000000000003 RSI: 0000000020000100 RDI: 0000000000000006
RBP: 00007f10732d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc440996ff R14: 00007f1073f1c300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c99eab0 (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/13:
#0: ffffffff8c99e7b0 (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: ffffffff8c99f6c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4742:
#0: ffff88802b381098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf02/0x13f0 drivers/tty/n_tty.c:2176
2 locks held by syz-executor.2/18008:
2 locks held by syz-executor.0/18031:
#0: ffff88807dad00e0 (&type->s_umount_key#63/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb40 fs/super.c:228
#1: ffffffff8c9aab78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#1: ffffffff8c9aab78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 kernel/rcu/tree_exp.h:992
1 lock held by syz-executor.0/18032:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #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: 18012 Comm: syz-executor.3 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:kasan_check_range+0x12/0x190 mm/kasan/generic.c:185
Code: 43 08 40 0f b6 f5 31 ff 89 43 0c e8 a8 df ff ff 89 43 08 5b 5d c3 66 90 66 0f 1f 00 48 85 f6 0f 84 40 01 00 00 48 89 f8 41 54 <44> 0f b6 c2 48 01 f0 55 53 0f 82 cb 00 00 00 48 b8 ff ff ff ff ff
RSP: 0018:ffffc9000366f1c0 EFLAGS: 00000002
RAX: ffffffff9184ae80 RBX: 0000000000000033 RCX: ffffffff8164eeef
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9184ae80
RBP: ffff88808d1eabc8 R08: 0000000000000002 R09: fffffbfff23095d6
R10: ffffffff9184aeb7 R11: 0000000000000001 R12: ffff88808d1ea100
R13: 0000000000000003 R14: dffffc0000000000 R15: 0000000000000001
FS: 00007f364bbe1700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020208030 CR3: 0000000076d0a000 CR4: 00000000003506e0
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]
hlock_class kernel/locking/lockdep.c:228 [inline]
check_wait_context kernel/locking/lockdep.c:4805 [inline]
__lock_acquire+0x73f/0x5e20 kernel/locking/lockdep.c:5094
lock_acquire kernel/locking/lockdep.c:5761 [inline]
lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5726
rcu_lock_acquire include/linux/rcupdate.h:302 [inline]
rcu_read_lock include/linux/rcupdate.h:748 [inline]
folio_evictable mm/internal.h:155 [inline]
lru_add_fn+0x141/0xce0 mm/swap.c:181
folio_batch_move_lru+0x220/0x420 mm/swap.c:217
folio_batch_add_and_move+0xe3/0x160 mm/swap.c:234
folio_add_lru+0x376/0x7c0 mm/swap.c:517
folio_add_lru_vma+0xae/0xf0 mm/swap.c:537
wp_page_copy mm/memory.c:3154 [inline]
do_wp_page+0x122e/0x37c0 mm/memory.c:3446
handle_pte_fault mm/memory.c:4948 [inline]
__handle_mm_fault+0x1573/0x3c50 mm/memory.c:5072
handle_mm_fault+0x2a7/0x9e0 mm/memory.c:5226
do_user_addr_fault+0x661/0x1360 arch/x86/mm/fault.c:1392
handle_page_fault arch/x86/mm/fault.c:1486 [inline]
exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1542
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:__put_user_nocheck_4+0xb/0x20 arch/x86/lib/putuser.S:101
Code: 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 0f 1f 80 00 00 00 00 f3 0f 1e fa f3 0f 1e fa 0f 01 cb <89> 01 31 c9 0f 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3
RSP: 0018:ffffc9000366fa00 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000020208030
RDX: 0000000000040000 RSI: ffffffff880e1612 RDI: 0000000000000005
RBP: ffffc9000366fdb0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000020208030 R14: 0000000000000002 R15: 0000000000000000
____sys_recvmsg+0x2fd/0x5a0 net/socket.c:2726
___sys_recvmsg+0xf2/0x180 net/socket.c:2755
do_recvmmsg+0x25e/0x6f0 net/socket.c:2849
__sys_recvmmsg net/socket.c:2928 [inline]
__do_sys_recvmmsg net/socket.c:2951 [inline]
__se_sys_recvmmsg net/socket.c:2944 [inline]
__x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2944
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: 0033:0x7f364ae8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f364bbe1168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f364afac050 RCX: 00007f364ae8c389
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f364aed7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffecd9d9adf R14: 00007f364bbe1300 R15: 0000000000022000