INFO: task jbd2/sda1-8:2934 blocked for more than 143 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:24688 pid: 2934 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+0xc74/0x5e80 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/26:
#0: ffffffff8cb1de00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/u4:3/54:
1 lock held by klogd/2959:
2 locks held by getty/3278:
#0: ffff88814aca7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113
2 locks held by syz-executor.0/3637:
#0: ffff88802f9549b8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55
#1: ffff888023d36460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline]
#1: ffff888023d36460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70
3 locks held by syz-executor.1/3639:
#0: ffff888023d36460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376
#1: ffff88807577e7a0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline]
#1: ffff88807577e7a0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3654
#2: ffff888023d3a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
2 locks held by syz-executor.4/3744:
#0: ffff888023d36460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376
#1: ffff88802fb9e7a0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline]
#1: ffff88802fb9e7a0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3654
2 locks held by syz-executor.2/3745:
#0: ffff888023d36460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376
#1: ffff88802fb9f198 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline]
#1: ffff88802fb9f198 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3654
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.16.0-rc7-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: 981 Comm: kworker/u4:4 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy14 ieee80211_iface_work
RIP: 0010:ieee80211_iface_work+0x1/0xc90 net/mac80211/iface.c:1500
Code: 52 fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 1e fe ff ff 4c 89 e7 e8 6f 4c 37 f8 e9 11 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 30 48 89 fb 49 bf 00 00 00 00
RSP: 0018:ffffc90004807c50 EFLAGS: 00000246
RAX: 1ffff110037f5da3 RBX: ffff88801a1c6408 RCX: ffff88801c7c5700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806536d7c8
RBP: ffffc90004807dd0 R08: ffffffff8156b2af R09: fffffbfff1bfd566
R10: fffffbfff1bfd566 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801bfaed18 R14: ffff88806536d7c8 R15: ffffc90004807d20
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a03f6f7340 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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), 3 bytes skipped:
0: ff 44 89 e1 incl -0x1f(%rcx,%rcx,4)
4: 80 e1 07 and $0x7,%cl
7: 38 c1 cmp %al,%cl
9: 0f 8c 1e fe ff ff jl 0xfffffe2d
f: 4c 89 e7 mov %r12,%rdi
12: e8 6f 4c 37 f8 callq 0xf8374c86
17: e9 11 fe ff ff jmpq 0xfffffe2d
1c: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
23: 00 00 00
26: 55 push %rbp
* 27: 41 57 push %r15 <-- trapping instruction
29: 41 56 push %r14
2b: 41 55 push %r13
2d: 41 54 push %r12
2f: 53 push %rbx
30: 48 83 ec 30 sub $0x30,%rsp
34: 48 89 fb mov %rdi,%rbx
37: 49 rex.WB
38: bf 00 00 00 00 mov $0x0,%edi