INFO: task jfsCommit:277 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit       state:D stack:26816 pid:  277 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11c3/0x4350 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8503
 __lock_metapage+0x1b8/0x390 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 diIAGRead+0xce/0x140 fs/jfs/jfs_imap.c:2672
 diFree+0x8e1/0x2470 fs/jfs/jfs_imap.c:959
 jfs_evict_inode+0x31a/0x430 fs/jfs/inode.c:162
 evict+0x4b6/0x8b0 fs/inode.c:647
 txLazyCommit fs/jfs/jfs_txnmgr.c:2699 [inline]
 jfs_lazycommit+0x445/0xb60 fs/jfs/jfs_txnmgr.c:2767
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by jfsCommit/276:
 #0: ffff888024e98920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2e1/0x2470 fs/jfs/jfs_imap.c:889
 #1: ffff88806eb82638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2ff/0x2470 fs/jfs/jfs_imap.c:894
2 locks held by jfsCommit/277:
 #0: ffff88807af30920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2e1/0x2470 fs/jfs/jfs_imap.c:889
 #1: ffff88805d16a638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2ff/0x2470 fs/jfs/jfs_imap.c:894
3 locks held by kworker/u4:4/1236:
2 locks held by getty/3942:
 #0: ffff88814c493098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50 drivers/tty/n_tty.c:2158
1 lock held by syz-executor/4371:
 #0: ffff88805c7ec0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
2 locks held by syz-executor/4386:
 #0: ffff8880296460e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
 #1: ffffffff8c6c85c8 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xa9/0x530 fs/jfs/jfs_logmgr.c:1452
2 locks held by syz-executor/4401:
 #0: ffff88807d3240e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
 #1: ffffffff8c6c85c8 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xa9/0x530 fs/jfs/jfs_logmgr.c:1452
1 lock held by syz-executor/4417:
 #0: ffff888022d3e0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
2 locks held by syz-executor/4444:
 #0: ffff88805c71e0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
 #1: ffffffff8c6c85c8 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xa9/0x530 fs/jfs/jfs_logmgr.c:1452
1 lock held by syz-executor/4465:
 #0: ffff888056cd60e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
1 lock held by syz-executor/4616:
 #0: ffff88807ce060e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
1 lock held by syz-executor/4765:
 #0: ffff88805bac80e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xe1b/0xe60 kernel/hung_task.c:369
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1236 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:unwind_next_frame+0x69e/0x1cf0 arch/x86/kernel/unwind_orc.c:-1
Code: c1 e8 03 0f b6 04 28 84 c0 74 64 44 89 f9 80 e1 07 38 c1 7c 5a be 02 00 00 00 4c 89 ff 49 89 d6 e8 a7 13 89 00 e9 0c 13 00 00 <48> 8b 44 24 28 80 3c 28 00 4c 8d 73 38 74 08 4c 89 f7 e8 cb 12 89
RSP: 0018:ffffc90004a67250 EFLAGS: 00000297
RAX: 0000000000000015 RBX: ffffc90004a672e8 RCX: ffffffff8df4e3f0
RDX: ffffffff8e8e4d72 RSI: ffffffff8df4e3e8 RDI: ffffffff81351ed7
RBP: dffffc0000000000 R08: 000000000000000d R09: 0000000000000005
R10: dffffc0000000000 R11: fffff5200094ce69 R12: ffffffff8e8e4d72
R13: 1ffffffff1d1c9ae R14: 0000000000000005 R15: ffffffff8e8e4d76
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005559fa1c6660 CR3: 000000007dd04000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:612 [inline]
 kzalloc include/linux/slab.h:738 [inline]
 ieee802_11_parse_elems_crc+0xb3/0x1090 net/mac80211/util.c:1478
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2243 [inline]
 ieee80211_bss_info_update+0x74d/0xa80 net/mac80211/scan.c:212
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 net/mac80211/ibss.c:1643
 ieee80211_iface_process_skb net/mac80211/iface.c:1465 [inline]
 ieee80211_iface_work+0x714/0xc50 net/mac80211/iface.c:1519
 cfg80211_wiphy_work+0x224/0x260 net/wireless/core.c:433
 process_one_work+0x867/0xff0 kernel/workqueue.c:2310
 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>