INFO: task syz-executor157:3628 blocked for more than 143 seconds.
Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor157 state:D stack:28984 pid:3628 ppid:3605 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5178 [inline]
__schedule+0xadf/0x5270 kernel/sched/core.c:6490
schedule+0xda/0x1b0 kernel/sched/core.c:6566
rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write_common kernel/locking/rwsem.c:1302 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
filemap_invalidate_lock include/linux/fs.h:801 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:641
vfs_fallocate+0x487/0xe00 fs/open.c:323
ksys_fallocate fs/open.c:346 [inline]
__do_sys_fallocate fs/open.c:354 [inline]
__se_sys_fallocate fs/open.c:352 [inline]
__x64_sys_fallocate+0xcf/0x140 fs/open.c:352
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1ba34abe09
RSP: 002b:00007ffe2648cea8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f1ba34abe09
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0002000080000000 R11: 0000000000000246 R12: 000000000000ab36
R13: 00007ffe2648cebc R14: 00007ffe2648ced0 R15: 00007ffe2648cec0
INFO: task syz-executor157:3634 blocked for more than 143 seconds.
Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor157 state:D stack:28136 pid:3634 ppid:3604 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5178 [inline]
__schedule+0xadf/0x5270 kernel/sched/core.c:6490
schedule+0xda/0x1b0 kernel/sched/core.c:6566
rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write_common kernel/locking/rwsem.c:1302 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
filemap_invalidate_lock include/linux/fs.h:801 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:641
vfs_fallocate+0x487/0xe00 fs/open.c:323
ksys_fallocate fs/open.c:346 [inline]
__do_sys_fallocate fs/open.c:354 [inline]
__se_sys_fallocate fs/open.c:352 [inline]
__x64_sys_fallocate+0xcf/0x140 fs/open.c:352
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1ba34abe09
RSP: 002b:00007ffe2648cea8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f1ba34abe09
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0002000080000000 R11: 0000000000000246 R12: 000000000000ab36
R13: 00007ffe2648cebc R14: 00007ffe2648ced0 R15: 00007ffe2648cec0
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xbf9/0xf30 kernel/hung_task.c:377
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2959 Comm: klogd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:qlink_to_object mm/kasan/quarantine.c:140 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:145 [inline]
RIP: 0010:qlist_free_all+0x39/0x170 mm/kasan/quarantine.c:187
Code: 8b 37 4d 85 f6 0f 84 11 01 00 00 49 bc 00 00 00 00 00 fc ff df 49 89 fd 48 89 f5 eb 4a 49 63 87 c0 00 00 00 4c 89 ff 49 8b 1e <49> 29 c6 4c 89 f6 e8 cc d9 ff ff 48 89 c1 0f 1f 44 00 00 4c 89 f0
RSP: 0018:ffffc9000312f8c8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88808c66e600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81364634 RDI: ffff8881401d9780
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c000 R12: dffffc0000000000
R13: ffffc9000312f908 R14: ffff88808c66d500 R15: ffff8881401d9780
FS: 00007fc208b73800(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b4cac23990 CR3: 0000000026e56000 CR4: 0000000000350ef0
Call Trace:
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
____kasan_kmalloc mm/kasan/common.c:482 [inline]
__kasan_kmalloc+0xbd/0xd0 mm/kasan/common.c:525
kmalloc_reserve net/core/skbuff.c:437 [inline]
__alloc_skb+0xd9/0x2f0 net/core/skbuff.c:509
alloc_skb include/linux/skbuff.h:1265 [inline]
alloc_skb_with_frags+0x93/0x6c0 net/core/skbuff.c:6124
sock_alloc_send_pskb+0x7a3/0x930 net/core/sock.c:2719
unix_dgram_sendmsg+0x415/0x1b50 net/unix/af_unix.c:1943
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:734
__sys_sendto+0x236/0x340 net/socket.c:2117
__do_sys_sendto net/socket.c:2129 [inline]
__se_sys_sendto net/socket.c:2125 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc208d0f0ac
Code: 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 19 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 64 c3 0f 1f 00 55 48 83 ec 20 48 89 54 24 10
RSP: 002b:00007fffb0a2bbe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc208d0f0ac
RDX: 000000000000004d RSI: 0000555e841ccbc0 RDI: 0000000000000003
RBP: 0000555e841c8910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000001 R14: 00007fc208e8a77d R15: 00007fffb0a2bcf8