INFO: task syz-executor813:3633 blocked for more than 143 seconds.
Not tainted 5.18.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor813 state:D stack:27664 pid: 3633 ppid: 3630 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
filemap_invalidate_lock include/linux/fs.h:793 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:654
vfs_fallocate+0x487/0xe00 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xcf/0x140 fs/open.c:337
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+0x44/0xae
RIP: 0033:0x7f104580fe39
RSP: 002b:00007fffbf6ddb68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f104580fe39
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 00007f10457d3610
R13: 0000000000000000 R14: 00007fffbf6ddb90 R15: 00007fffbf6ddb80
INFO: task syz-executor813:3636 blocked for more than 143 seconds.
Not tainted 5.18.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor813 state:D stack:28032 pid: 3636 ppid: 3631 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
filemap_invalidate_lock include/linux/fs.h:793 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:654
vfs_fallocate+0x487/0xe00 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xcf/0x140 fs/open.c:337
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+0x44/0xae
RIP: 0033:0x7f104580fe39
RSP: 002b:00007fffbf6ddb68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f104580fe39
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 00007f10457d3610
R13: 0000000000000000 R14: 00007fffbf6ddb90 R15: 00007fffbf6ddb80
INFO: task syz-executor813:3637 blocked for more than 143 seconds.
Not tainted 5.18.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor813 state:D stack:27216 pid: 3637 ppid: 3625 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
filemap_invalidate_lock include/linux/fs.h:793 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:654
vfs_fallocate+0x487/0xe00 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xcf/0x140 fs/open.c:337
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+0x44/0xae
RIP: 0033:0x7f104580fe39
RSP: 002b:00007fffbf6ddb68 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f104580fe39
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000077614
R13: 00007fffbf6ddb7c R14: 00007fffbf6ddb90 R15: 00007fffbf6ddb80
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bd81de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
2 locks held by getty/3273:
#0: ffff88801dcaa098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002e662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075
1 lock held by syz-executor813/3633:
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
1 lock held by syz-executor813/3635:
1 lock held by syz-executor813/3636:
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
1 lock held by syz-executor813/3637:
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
1 lock held by syz-executor813/3644:
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
1 lock held by syz-executor813/3646:
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff888140c98948 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.18.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2952 Comm: klogd Not tainted 5.18.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x70 kernel/kcov.c:286
Code: 00 00 00 48 89 7c 30 e8 48 89 4c 30 f0 4c 89 54 d8 20 48 89 10 5b c3 0f 1f 80 00 00 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 <89> f1 65 48 8b 34 25 00 70 02 00 e8 74 f9 ff ff 84 c0 74 4b 48 8b
RSP: 0018:ffffc90002e4f830 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88807c801d00 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff88801684e140 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff817f6218 R11: 0000000000000001 R12: 0000000000000200
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
FS: 00007fa5bcf5c800(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1045880130 CR3: 00000000242a4000 CR4: 0000000000350ef0
Call Trace:
trace_hardirqs_on+0x38/0x1c0 kernel/trace/trace_preemptirq.c:43
put_cpu_partial+0x171/0x210 mm/slub.c:2596
qlink_free mm/kasan/quarantine.c:157 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:446
kasan_slab_alloc include/linux/kasan.h:224 [inline]
slab_post_alloc_hook mm/slab.h:749 [inline]
slab_alloc_node mm/slub.c:3217 [inline]
kmem_cache_alloc_node+0x255/0x3f0 mm/slub.c:3267
__alloc_skb+0x215/0x340 net/core/skbuff.c:414
alloc_skb include/linux/skbuff.h:1300 [inline]
alloc_skb_with_frags+0x93/0x730 net/core/skbuff.c:5995
sock_alloc_send_pskb+0x793/0x920 net/core/sock.c:2600
unix_dgram_sendmsg+0x414/0x1a90 net/unix/af_unix.c:1896
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:725
__sys_sendto+0x216/0x310 net/socket.c:2040
__do_sys_sendto net/socket.c:2052 [inline]
__se_sys_sendto net/socket.c:2048 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048
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+0x44/0xae
RIP: 0033:0x7fa5bd0f80ac
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:00007ffce60b2768 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa5bd0f80ac
RDX: 000000000000003a RSI: 000055b4610b9a60 RDI: 0000000000000003
RBP: 000055b4610b5910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000001 R14: 00007fa5bd27377d R15: 00007ffce60b2878
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: 7c 30 jl 0x37
7: e8 48 89 4c 30 callq 0x304c8954
c: f0 4c 89 54 d8 20 lock mov %r10,0x20(%rax,%rbx,8)
12: 48 89 10 mov %rdx,(%rax)
15: 5b pop %rbx
16: c3 retq
17: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
1e: 41 89 f8 mov %edi,%r8d
21: bf 03 00 00 00 mov $0x3,%edi
26: 4c 8b 14 24 mov (%rsp),%r10
* 2a: 89 f1 mov %esi,%ecx <-- trapping instruction
2c: 65 48 8b 34 25 00 70 mov %gs:0x27000,%rsi
33: 02 00
35: e8 74 f9 ff ff callq 0xfffff9ae
3a: 84 c0 test %al,%al
3c: 74 4b je 0x89
3e: 48 rex.W
3f: 8b .byte 0x8b