INFO: task syz-executor274:3618 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor274 state:D stack:28128 pid: 3618 ppid: 3614 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
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+0x46/0xb0
RIP: 0033:0x7fd59937ce29
RSP: 002b:00007ffe9efbbb58 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fd59937ce29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 00007fd599340600
R13: 0000000000000000 R14: 00007ffe9efbbb80 R15: 00007ffe9efbbb70
INFO: task syz-executor274:3619 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor274 state:D stack:28208 pid: 3619 ppid: 3612 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
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+0x46/0xb0
RIP: 0033:0x7fd59937ce29
RSP: 002b:00007ffe9efbbb58 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fd59937ce29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 00007fd599340600
R13: 0000000000000000 R14: 00007ffe9efbbb80 R15: 00007ffe9efbbb70
INFO: task syz-executor274:3636 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor274 state:D stack:27616 pid: 3636 ppid: 3611 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
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+0x46/0xb0
RIP: 0033:0x7fd59937ce29
RSP: 002b:00007ffe9efbbb58 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fd59937ce29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 7fffffffffffffff R11: 0000000000000246 R12: 000000000000c4c6
R13: 00007ffe9efbbb6c R14: 00007ffe9efbbb80 R15: 00007ffe9efbbb70
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bd83b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
3 locks held by kworker/1:1H/108:
3 locks held by klogd/2965:
2 locks held by getty/3290:
#0: ffff88814ab7d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90001c382e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
1 lock held by syz-executor274/3613:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor274/3618:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor274/3619:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor274/3636:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor274/3637:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor274/3644:
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88814056a9c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+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:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2965 Comm: klogd Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline]
RIP: 0010:lock_release+0x124/0x780 kernel/locking/lockdep.c:5678
Code: 85 e8 02 00 00 65 4c 8b 34 25 80 6f 02 00 49 8d be 5c 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a4 05 00 00 45
RSP: 0018:ffffc9000306f6b8 EFLAGS: 00000807
RAX: dffffc0000000000 RBX: ffffffff8dbb264c RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807cd92bdc
RBP: 1ffff9200060ded9 R08: 0000000000000000 R09: ffffffff8dbaf297
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880b9b357a0
R13: 0000000000000001 R14: ffff88807cd92180 R15: 0000000000000000
FS: 00007fa832290800(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a578ea0000 CR3: 000000007cc59000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
local_lock_release include/linux/local_lock_internal.h:38 [inline]
free_unref_page+0x344/0x6a0 mm/page_alloc.c:3459
slab_destroy mm/slab.c:1615 [inline]
slabs_destroy+0x89/0xc0 mm/slab.c:1635
cache_flusharray mm/slab.c:3397 [inline]
___cache_free+0x34e/0x670 mm/slab.c:3460
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x4f/0x1b0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x97/0xb0 mm/kasan/common.c:446
kasan_slab_alloc include/linux/kasan.h:224 [inline]
slab_post_alloc_hook mm/slab.h:750 [inline]
slab_alloc_node mm/slab.c:3239 [inline]
kmem_cache_alloc_node+0x2ea/0x590 mm/slab.c:3593
__alloc_skb+0x215/0x340 net/core/skbuff.c:414
alloc_skb include/linux/skbuff.h:1426 [inline]
alloc_skb_with_frags+0x93/0x730 net/core/skbuff.c:5992
sock_alloc_send_pskb+0x793/0x920 net/core/sock.c:2662
unix_dgram_sendmsg+0x425/0x1ad0 net/unix/af_unix.c:1895
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:734
__sys_sendto+0x21a/0x320 net/socket.c:2119
__do_sys_sendto net/socket.c:2131 [inline]
__se_sys_sendto net/socket.c:2127 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2127
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+0x46/0xb0
RIP: 0033:0x7fa83242c0ac
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:00007ffdb6f6fbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa83242c0ac
RDX: 000000000000004e RSI: 00005588c8440100 RDI: 0000000000000003
RBP: 00005588c843a2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000001 R14: 00007fa8325a777d R15: 00007ffdb6f6fcc8
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.129 msecs
----------------
Code disassembly (best guess):
0: 85 e8 test %ebp,%eax
2: 02 00 add (%rax),%al
4: 00 65 4c add %ah,0x4c(%rbp)
7: 8b 34 25 80 6f 02 00 mov 0x26f80,%esi
e: 49 8d be 5c 0a 00 00 lea 0xa5c(%r14),%rdi
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
* 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction
2d: 83 e0 07 and $0x7,%eax
30: 83 c0 03 add $0x3,%eax
33: 38 d0 cmp %dl,%al
35: 7c 08 jl 0x3f
37: 84 d2 test %dl,%dl
39: 0f 85 a4 05 00 00 jne 0x5e3
3f: 45 rex.RB