INFO: task syz-executor.3:5371 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:20112 pid:5371 ppid:5113 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x995/0xe20 kernel/sched/core.c:6555 schedule+0xcb/0x190 kernel/sched/core.c:6631 bit_wait+0xe/0xc0 kernel/sched/wait_bit.c:199 __wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1c3/0x240 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xda/0x120 fs/gfs2/recovery.c:577 init_journal+0x18a5/0x22c0 fs/gfs2/ops_fstype.c:835 init_inodes+0xdc/0x340 fs/gfs2/ops_fstype.c:889 gfs2_fill_super+0x1bb2/0x2700 fs/gfs2/ops_fstype.c:1247 get_tree_bdev+0x400/0x620 fs/super.c:1282 gfs2_get_tree+0x50/0x210 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0x88/0x270 fs/super.c:1489 do_new_mount+0x289/0xad0 fs/namespace.c:3145 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f73ba48d5da RSP: 002b:00007f73bb260f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000003b2ca RCX: 00007f73ba48d5da RDX: 000000002003b2c0 RSI: 000000002003b300 RDI: 00007f73bb260fe0 RBP: 00007f73bb261020 R08: 00007f73bb261020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002003b2c0 R13: 000000002003b300 R14: 00007f73bb260fe0 R15: 0000000020000040 INFO: task kworker/1:18:5377 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:18 state:D stack:21464 pid:5377 ppid:2 flags:0x00004000 Workqueue: gfs_recovery gfs2_recover_func Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x995/0xe20 kernel/sched/core.c:6555 schedule+0xcb/0x190 kernel/sched/core.c:6631 io_schedule+0x83/0x100 kernel/sched/core.c:8811 folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1297 folio_wait_locked include/linux/pagemap.h:1021 [inline] gfs2_jhead_process_page+0x195/0x800 fs/gfs2/lops.c:476 gfs2_find_jhead+0xcef/0xea0 fs/gfs2/lops.c:594 gfs2_recover_func+0x65b/0x1f30 fs/gfs2/recovery.c:460 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d326e90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d327690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4757: #0: ffff88802750d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.3/5371: #0: ffff888032b3e0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228 2 locks held by kworker/1:18/5377: #0: ffff8881464f1538 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 #1: ffffc9000513fd00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264 1 lock held by syz-executor.3/6728: #0: ffff888032b3e0e0 (&type->s_umount_key#91){.+.+}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722 1 lock held by syz-executor.3/6772: #0: ffff888032b3e0e0 (&type->s_umount_key#91){.+.+}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722 1 lock held by syz-executor.3/6773: #0: ffff888032b3e0e0 (&type->s_umount_key#91){.+.+}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xcd5/0xd20 kernel/hung_task.c:377 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3614 Comm: kworker/u4:5 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy6 ieee80211_iface_work RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline] RIP: 0010:unwind_next_frame+0x19ff/0x24c0 arch/x86/kernel/unwind_orc.c:641 Code: 42 80 3c 08 00 74 0f e8 ef 58 a4 00 49 b9 00 00 00 00 00 fc ff df 4c 8b 65 38 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 08 00 <74> 0f e8 ca 58 a4 00 49 b9 00 00 00 00 00 fc ff df 4c 8b 75 08 48 RSP: 0018:ffffc9000e8f6f00 EFLAGS: 00000246 RAX: 1ffff92001d1edfd RBX: 1ffff92001d1edfc RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffc9000e8f0000 RDI: ffffc9000e8f6fe8 RBP: ffffc9000e8f6fe0 R08: ffffc9000e8f73a8 R09: dffffc0000000000 R10: fffff52001d1ee08 R11: 1ffff92001d1ee06 R12: ffffc9000e8f73b8 R13: ffffffff8f29c352 R14: ffffc9000e8f7030 R15: ffffffff8f29c351 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056312131f680 CR3: 000000000d08e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0xb2/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x104/0x1e0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:968 [inline] __kmalloc+0xaf/0x190 mm/slab_common.c:981 kmalloc include/linux/slab.h:584 [inline] kzalloc include/linux/slab.h:720 [inline] ieee802_11_parse_elems_full+0xff/0x2400 net/mac80211/util.c:1655 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2260 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2267 [inline] ieee80211_bss_info_update+0x930/0x1020 net/mac80211/scan.c:212 ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0x1945/0x2c40 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1581 [inline] ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1635 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308