INFO: task jbd2/sda1-8:2937 blocked for more than 143 seconds.
Not tainted 5.16.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26632 pid: 2937 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
jbd2_journal_commit_transaction+0x89e/0x6be0 fs/jbd2/commit.c:496
kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb812e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
2 locks held by getty/3279:
#0: ffff88807f1c3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
#1: ffffc90002b8b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
3 locks held by syz-executor.1/20841:
#0: ffff88814af62460 (sb_writers#6){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3649
#1: ffff8880549d63f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline]
#1: ffff8880549d63f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3654
#2: ffff88807f202990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf82/0x1380 fs/jbd2/transaction.c:466
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc5-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+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4508 Comm: kworker/u4:15 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy18 ieee80211_iface_work
RIP: 0010:mark_lock+0x30/0x17b0 kernel/locking/lockdep.c:4566
Code: 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 48 89 3c 24 48 c7 44 24 38 b3 8a b5 41 <48> c1 eb 03 48 c7 44 24 40 f0 b8 36 8b 48 8d 04 13 48 c7 44 24 48
RSP: 0018:ffffc9000e26f748 EFLAGS: 00000096
RAX: 0000000000000004 RBX: ffffc9000e26f780 RCX: 1ffffffff2001d4e
RDX: dffffc0000000000 RSI: ffff888073cc2b08 RDI: ffff888073cc2080
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8ff77b97
R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000002
R13: dffffc0000000000 R14: ffff888073cc2ae0 R15: 0000000000000200
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0002bc000 CR3: 000000000b88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_held_locks+0x9f/0xe0 kernel/locking/lockdep.c:4206
__trace_hardirqs_on_caller kernel/locking/lockdep.c:4224 [inline]
lockdep_hardirqs_on_prepare kernel/locking/lockdep.c:4292 [inline]
lockdep_hardirqs_on_prepare+0x135/0x400 kernel/locking/lockdep.c:4244
trace_hardirqs_on+0x5b/0x1c0 kernel/trace/trace_preemptirq.c:49
slab_alloc mm/slab.c:3317 [inline]
kmem_cache_alloc_trace+0x356/0x4a0 mm/slab.c:3573
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
ieee802_11_parse_elems_crc+0xd5/0x1060 net/mac80211/util.c:1476
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2208 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0xd0e/0x3130 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1468 [inline]
ieee80211_iface_work+0xa65/0xd00 net/mac80211/iface.c:1522
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 41 54 push %r12
2: 41 89 d4 mov %edx,%r12d
5: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
c: fc ff df
f: 55 push %rbp
10: 53 push %rbx
11: 48 81 ec 18 01 00 00 sub $0x118,%rsp
18: 48 8d 5c 24 38 lea 0x38(%rsp),%rbx
1d: 48 89 3c 24 mov %rdi,(%rsp)
21: 48 c7 44 24 38 b3 8a movq $0x41b58ab3,0x38(%rsp)
28: b5 41
* 2a: 48 c1 eb 03 shr $0x3,%rbx <-- trapping instruction
2e: 48 c7 44 24 40 f0 b8 movq $0xffffffff8b36b8f0,0x40(%rsp)
35: 36 8b
37: 48 8d 04 13 lea (%rbx,%rdx,1),%rax
3b: 48 rex.W
3c: c7 .byte 0xc7
3d: 44 24 48 rex.R and $0x48,%al