INFO: task jfsCommit:116 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:26608 pid:116 tgid:116 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x17fb/0x4be0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 io_schedule+0x8d/0x110 kernel/sched/core.c:7681 __lock_metapage fs/jfs/jfs_metapage.c:51 [inline] lock_metapage+0x26a/0x450 fs/jfs/jfs_metapage.c:65 __get_metapage+0x57c/0xdc0 fs/jfs/jfs_metapage.c:640 diIAGRead+0xcb/0x140 fs/jfs/jfs_imap.c:2672 diFree+0xa7e/0x2fb0 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156 evict+0x4e8/0x9a0 fs/inode.c:796 txUpdateMap+0x931/0xb10 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Showing all locks held in the system: 3 locks held by kworker/0:1/9: #0: ffff8880b863e758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 #2: ffff88807bf47078 (&group->avgs_lock){+.+.}-{4:4}, at: psi_avgs_work+0xac/0x230 kernel/sched/psi.c:566 1 lock held by khungtaskd/30: #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744 2 locks held by jfsCommit/116: #0: ffff8880697d0920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x37c/0x2fb0 fs/jfs/jfs_imap.c:889 #1: ffff888058a5c1c0 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x398/0x2fb0 fs/jfs/jfs_imap.c:894 3 locks held by kworker/u8:6/1525: 2 locks held by getty/5570: #0: ffff8880354010a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900033332f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by syz-executor/13111: #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline] #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor/13201: 2 locks held by syz.0.896/14487: 2 locks held by syz.1.926/14497: 1 lock held by syz.6.899/14512: #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline] #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by syz.6.899/14515: #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline] #0: ffff88802a2140e0 (&type->s_umount_key#68){++++}-{4:4}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by cmp/14535: ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xff6/0x1040 kernel/hung_task.c:397 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1525 Comm: kworker/u8:6 Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:__kasan_check_read+0x0/0x20 mm/kasan/shadow.c:30 Code: 8e 4c 89 fe e8 a1 b7 03 ff 31 db eb d0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 89 f6 48 8b 0c 24 31 d2 e9 6f e6 ff ff 66 2e 0f 1f 84 RSP: 0018:ffffc90004947178 EFLAGS: 00000247 RAX: 0000000000000000 RBX: 000000000000000f RCX: ffffc900049474e0 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffc900049474e0 RBP: ffffc90004947590 R08: 0000000000000001 R09: ffffffff8b3f7863 R10: 0000000000000028 R11: ffff8880287a0000 R12: ffff88802e6dbc8d R13: ffff88802e6dbc8d R14: 0000000000000032 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fef073ff000 CR3: 0000000034b2e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] _ieee802_11_parse_elems_full+0xab0/0x4a40 net/mac80211/parse.c:338 ieee802_11_parse_elems_full+0xdff/0x2880 net/mac80211/parse.c:984 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2384 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2391 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1576 [inline] ieee80211_ibss_rx_queued_mgmt+0x4c8/0x2d70 net/mac80211/ibss.c:1607 ieee80211_iface_process_skb net/mac80211/iface.c:1613 [inline] ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1667 cfg80211_wiphy_work+0x2db/0x480 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244