INFO: task jbd2/sda1-8:2935 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:23760 pid: 2935 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
jbd2_journal_commit_transaction+0xc24/0x5c00 fs/jbd2/commit.c:496
kjournald2+0x4b4/0x940 fs/jbd2/journal.c:213
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1de40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3278:
#0: ffff88814b04b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002ba32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113
3 locks held by syz-executor.1/3632:
#0: ffff88807e806460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376
#1: ffff888074f8abd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline]
#1: ffff888074f8abd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3654
#2: ffff88807e812990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
2 locks held by kworker/u4:45/12200:
#0: ffff8880b9a395d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:478
#1: ffff8880b9a27888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4c1/0x780 kernel/sched/psi.c:880
2 locks held by kworker/u4:60/12215:
#0: ffff8880b9a395d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:478
#1: ffff8880b9a27888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4c1/0x780 kernel/sched/psi.c:880
=============================================
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+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 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+0xc82/0xcd0 kernel/hung_task.c:295
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12210 Comm: kworker/u4:55 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy10 ieee80211_iface_work
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:330 [inline]
RIP: 0010:rcu_is_watching+0x56/0xa0 kernel/rcu/tree.c:1121
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 cf 75 61 00 48 c7 c3 90 a5 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 8a 04 38 <84> c0 75 1a 8b 03 65 ff 0d 65 78 93 7e 74 08 24 01 5b 41 5e 41 5f
RSP: 0018:ffffc9000bd574c0 EFLAGS: 00000a06
RAX: 1ffff11017347400 RBX: ffff8880b9a3a590 RCX: ffff88801e421d00
RDX: ffff88801e421d00 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc9000bd57578 R08: ffffffff898305c4 R09: fffffbfff1bfd2c6
R10: fffffbfff1bfd2c6 R11: 0000000000000000 R12: ffffc9000bd57920
R13: 000000000000004c R14: ffffffff8c5bd830 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0002e2000 CR3: 000000007ee0a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
rcu_read_lock_sched_held+0x6b/0x130 kernel/rcu/update.c:123
trace_cfg80211_inform_bss_frame+0xba/0x280 net/wireless/trace.h:3325
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2340 [inline]
cfg80211_inform_bss_frame_data+0xe9/0x1f40 net/wireless/scan.c:2458
ieee80211_bss_info_update+0x75b/0xbe0 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1690/0x2b30 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1468 [inline]
ieee80211_iface_work+0x709/0xc90 net/mac80211/iface.c:1522
process_one_work+0x853/0x1140 kernel/workqueue.c:2298
worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 89 f0 mov %esi,%eax
2: 48 c1 e8 03 shr $0x3,%rax
6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
b: 74 08 je 0x15
d: 4c 89 f7 mov %r14,%rdi
10: e8 cf 75 61 00 callq 0x6175e4
15: 48 c7 c3 90 a5 03 00 mov $0x3a590,%rbx
1c: 49 03 1e add (%r14),%rbx
1f: 48 89 d8 mov %rbx,%rax
22: 48 c1 e8 03 shr $0x3,%rax
26: 42 8a 04 38 mov (%rax,%r15,1),%al
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 75 1a jne 0x48
2e: 8b 03 mov (%rbx),%eax
30: 65 ff 0d 65 78 93 7e decl %gs:0x7e937865(%rip) # 0x7e93789c
37: 74 08 je 0x41
39: 24 01 and $0x1,%al
3b: 5b pop %rbx
3c: 41 5e pop %r14
3e: 41 5f pop %r15