INFO: task syz-executor.2:14898 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-12883-g2a5a4326e583 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27384 pid:14898 ppid:5054 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
__wait_on_freeing_inode+0xf1/0x140 fs/inode.c:2314
find_inode_fast+0x150/0x200 fs/inode.c:936
iget_locked+0xa2/0x700 fs/inode.c:1301
__ext4_iget+0x3ca/0x4300 fs/ext4/inode.c:4704
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1542 [inline]
ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1577 [inline]
ext4_xattr_set_entry+0x1cf3/0x3ca0 fs/ext4/xattr.c:1719
ext4_xattr_block_set+0xcbf/0x30e0 fs/ext4/xattr.c:2039
ext4_xattr_set_handle+0xd6e/0x1420 fs/ext4/xattr.c:2456
ext4_xattr_set+0x149/0x370 fs/ext4/xattr.c:2558
__vfs_setxattr+0x173/0x1d0 fs/xattr.c:201
__vfs_setxattr_noperm+0x127/0x5e0 fs/xattr.c:235
__vfs_setxattr_locked+0x17e/0x250 fs/xattr.c:296
vfs_setxattr+0x146/0x350 fs/xattr.c:322
do_setxattr+0x142/0x170 fs/xattr.c:630
setxattr+0x159/0x170 fs/xattr.c:653
path_setxattr+0x1a3/0x1d0 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:684
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f13c7c7cae9
RSP: 002b:00007f13c89530c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f13c7d9c050 RCX: 00007f13c7c7cae9
RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0
RBP: 00007f13c7cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f13c7d9c050 R15: 00007fffe4ec1958
INFO: task syz-executor.2:14899 blocked for more than 144 seconds.
Not tainted 6.5.0-syzkaller-12883-g2a5a4326e583 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27336 pid:14899 ppid:5054 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
mb_cache_entry_wait_unused+0x182/0x200 fs/mbcache.c:148
ext4_evict_ea_inode+0x190/0x2e0 fs/ext4/xattr.c:480
ext4_evict_inode+0x9c2/0x1a30 fs/ext4/inode.c:180
evict+0x2ed/0x6b0 fs/inode.c:664
iput_final fs/inode.c:1775 [inline]
iput.part.0+0x55e/0x7a0 fs/inode.c:1801
iput+0x5c/0x80 fs/inode.c:1791
ext4_xattr_set_entry+0x721/0x3ca0 fs/ext4/xattr.c:1870
ext4_xattr_block_set+0x678/0x30e0 fs/ext4/xattr.c:1970
ext4_xattr_set_handle+0xd6e/0x1420 fs/ext4/xattr.c:2456
ext4_xattr_set+0x149/0x370 fs/ext4/xattr.c:2558
__vfs_setxattr+0x173/0x1d0 fs/xattr.c:201
__vfs_setxattr_noperm+0x127/0x5e0 fs/xattr.c:235
__vfs_setxattr_locked+0x17e/0x250 fs/xattr.c:296
vfs_setxattr+0x146/0x350 fs/xattr.c:322
do_setxattr+0x142/0x170 fs/xattr.c:630
setxattr+0x159/0x170 fs/xattr.c:653
path_setxattr+0x1a3/0x1d0 fs/xattr.c:672
__do_sys_setxattr fs/xattr.c:688 [inline]
__se_sys_setxattr fs/xattr.c:684 [inline]
__x64_sys_setxattr+0xc4/0x160 fs/xattr.c:684
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f13c7c7cae9
RSP: 002b:00007f13c89320c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f13c7d9c120 RCX: 00007f13c7c7cae9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00007f13c7cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f13c7d9c120 R15: 00007fffe4ec1958
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12883-g2a5a4326e583 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xfac/0x1230 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5033 Comm: sshd Not tainted 6.5.0-syzkaller-12883-g2a5a4326e583 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__sanitizer_cov_trace_switch+0x40/0x90 kernel/kcov.c:341
Code: 48 83 f8 20 74 63 77 44 48 83 f8 08 74 53 48 83 f8 10 75 2f 41 bd 03 00 00 00 4c 8b 75 00 31 db 4d 85 f6 74 1e 48 8b 74 dd 10 <4c> 89 e2 4c 89 ef 48 83 c3 01 48 8b 4c 24 28 e8 1c fe ff ff 49 39
RSP: 0018:ffffc900033ff360 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000006 RCX: ffffffff813a4e25
RDX: ffff88807d9e6140 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffffff8a89cf40 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000005 R11: 0000000000000001 R12: 0000000000000005
R13: 0000000000000001 R14: 0000000000000008 R15: ffffc900033ff445
FS: 00007f6e0864c800(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557437938 CR3: 000000001d22f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0x6b5/0x2390 arch/x86/kernel/unwind_orc.c:515
arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:128
__reset_page_owner+0x5a/0x190 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2405
slab_destroy mm/slab.c:1608 [inline]
slabs_destroy+0x85/0xc0 mm/slab.c:1628
cache_flusharray mm/slab.c:3341 [inline]
___cache_free+0x2b7/0x420 mm/slab.c:3404
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x4c/0x1b0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slab.c:3237 [inline]
kmem_cache_alloc_node+0x179/0x540 mm/slab.c:3509
__alloc_skb+0x287/0x330 net/core/skbuff.c:640
alloc_skb_fclone include/linux/skbuff.h:1336 [inline]
tcp_stream_alloc_skb+0x34/0x560 net/ipv4/tcp.c:869
tcp_sendmsg_locked+0xeae/0x3440 net/ipv4/tcp.c:1150
tcp_sendmsg+0x2e/0x40 net/ipv4/tcp.c:1336
inet_sendmsg+0x9d/0xe0 net/ipv4/af_inet.c:840
sock_sendmsg_nosec net/socket.c:730 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:753
sock_write_iter+0x29b/0x3d0 net/socket.c:1141
call_write_iter include/linux/fs.h:1985 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x650/0xe40 fs/read_write.c:584
ksys_write+0x1f0/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6e08716bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fffe2856b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000014c RCX: 00007f6e08716bf2
RDX: 000000000000014c RSI: 000055a7e0d1a650 RDI: 0000000000000004
RBP: 000055a7e0d00c40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7e09afaa4
R13: 000000000000024f R14: 000055a7e09b03e8 R15: 00007fffe2856bf8