INFO: task kworker/u4:3:52 blocked for more than 143 seconds.
Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:3 state:D stack:17088 pid:52 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:4)
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
queue_log_writer+0x215/0x300 fs/reiserfs/journal.c:2980
check_journal_end fs/reiserfs/journal.c:3676 [inline]
do_journal_end+0xa38/0x4a30 fs/reiserfs/journal.c:4042
reiserfs_write_inode+0x1f8/0x2a0 fs/reiserfs/inode.c:1779
write_inode fs/fs-writeback.c:1451 [inline]
__writeback_single_inode+0x4d6/0x670 fs/fs-writeback.c:1663
writeback_sb_inodes+0x812/0x1050 fs/fs-writeback.c:1889
wb_writeback+0x41f/0x7b0 fs/fs-writeback.c:2063
wb_do_writeback fs/fs-writeback.c:2206 [inline]
wb_workfn+0x3cb/0xef0 fs/fs-writeback.c:2246
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
INFO: task syz-executor.4:7095 blocked for more than 144 seconds.
Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:19264 pid:7095 ppid:5107 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
bit_wait+0xe/0xc0 kernel/sched/wait_bit.c:199
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
__inode_wait_for_writeback fs/fs-writeback.c:1472 [inline]
inode_wait_for_writeback+0x211/0x2c0 fs/fs-writeback.c:1484
evict+0x277/0x620 fs/inode.c:661
xattr_unlink fs/reiserfs/xattr.c:96 [inline]
lookup_and_delete_xattr fs/reiserfs/xattr.c:494 [inline]
reiserfs_xattr_set_handle+0xae5/0xec0 fs/reiserfs/xattr.c:529
reiserfs_xattr_set+0x417/0x530 fs/reiserfs/xattr.c:633
__vfs_removexattr+0x44a/0x480 fs/xattr.c:497
__vfs_removexattr_locked+0x1fe/0x400 fs/xattr.c:532
vfs_removexattr+0x104/0x2b0 fs/xattr.c:554
ovl_do_removexattr fs/overlayfs/overlayfs.h:272 [inline]
ovl_removexattr fs/overlayfs/overlayfs.h:280 [inline]
ovl_make_workdir+0x5b9/0xdf0 fs/overlayfs/super.c:1361
ovl_get_workdir+0x2e4/0x410 fs/overlayfs/super.c:1444
ovl_fill_super+0x19d7/0x2790 fs/overlayfs/super.c:2000
mount_nodev+0x52/0xe0 fs/super.c:1405
legacy_get_tree+0xea/0x180 fs/fs_context.c:610
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: 0033:0x7fe2e948c0c9
RSP: 002b:00007fe2ea293168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe2e95abf80 RCX: 00007fe2e948c0c9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007fe2e94e7ae9 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe038353ef R14: 00007fe2ea293300 R15: 0000000000022000
INFO: task syz-executor.4:7168 blocked for more than 144 seconds.
Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22152 pid:7168 ppid:5107 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
wb_wait_for_completion+0x155/0x280 fs/fs-writeback.c:192
sync_inodes_sb+0x283/0xaa0 fs/fs-writeback.c:2725
sync_filesystem+0x16b/0x220 fs/sync.c:64
reiserfs_remount+0x1a9/0x19d0 fs/reiserfs/super.c:1445
reconfigure_super+0x3bc/0x7b0 fs/super.c:935
do_remount fs/namespace.c:2807 [inline]
path_mount+0xd20/0x10c0 fs/namespace.c:3467
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: 0033:0x7fe2e948d5fa
RSP: 002b:00007fe2ea271f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2e948d5fa
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007fe2ea272020 R08: 00007fe2ea272020 R09: 0000000001a484bc
R10: 0000000001a484bc R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000100 R14: 00007fe2ea271fe0 R15: 00000000200007c0
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
#0: ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffff8880b9827748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326fd0 (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: ffffffff8d3277d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
2 locks held by kworker/1:0/22:
#0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc900001c7d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
1 lock held by khungtaskd/28:
#0: ffffffff8d326e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:3/52:
#0: ffff888144e2c938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90000bd7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
2 locks held by getty/4748:
#0: ffff88814a38e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.0/5095:
#0: ffff8880297120e0 (&type->s_umount_key#53){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362
1 lock held by syz-executor.5/5104:
#0: ffffffff8d32c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8d32c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946
2 locks held by syz-executor.3/5112:
#0: ffff88808bcdc0e0 (&type->s_umount_key#53){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362
#1: ffffffff8d32c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8d32c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x455/0x860 kernel/rcu/tree_exp.h:946
2 locks held by kworker/1:6/5406:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc9000585fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
4 locks held by syz-executor.4/7095:
#0: ffff888077aba0e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
#1: ffff88807c2c8460 (sb_writers#20){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#2: ffff888036b0a400 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff888036b0a400 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: vfs_removexattr+0xed/0x2b0 fs/xattr.c:553
#3: ffff888036a9b7e0 (&type->i_mutex_dir_key#11/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#3: ffff888036a9b7e0 (&type->i_mutex_dir_key#11/3){+.+.}-{3:3}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:486 [inline]
#3: ffff888036a9b7e0 (&type->i_mutex_dir_key#11/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x521/0xec0 fs/reiserfs/xattr.c:529
2 locks held by syz-executor.4/7168:
#0: ffff88807c2c80e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: do_remount fs/namespace.c:2804 [inline]
#0: ffff88807c2c80e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: path_mount+0xcd8/0x10c0 fs/namespace.c:3467
#1: ffff888146c0c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c0c7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.4/9931:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
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: 11 Comm: kworker/u4:1 Not tainted 6.2.0-rc4-syzkaller-00041-gc1649ec55708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy11 ieee80211_iface_work
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x2b/0xa0 kernel/kcov.c:304
Code: 8b 04 24 65 48 8b 14 25 40 98 03 00 65 8b 0d 24 b8 77 7e f7 c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 7b 83 ba 6c 15 00 00 00 <74> 72 8b 8a 48 15 00 00 83 f9 03 75 67 48 8b 8a 50 15 00 00 44 8b
RSP: 0018:ffffc900001e02f8 EFLAGS: 00000046
RAX: 1ffffffff1d2d900 RBX: 0000000000000001 RCX: 0000000000000303
RDX: ffff88813fefba80 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880297e5838 R08: ffffffff815ac722 R09: ffffed10056ac307
R10: ffffed10056ac307 R11: 1ffff110056ac306 R12: ffff888012879800
R13: ffff88802b561840 R14: dffffc0000000000 R15: ffff88802d1aac00
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdccd20fb8 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
get_pwq kernel/workqueue.c:1112 [inline]
insert_work+0x1f2/0x3e0 kernel/workqueue.c:1363
__queue_work+0xaaa/0xd60 kernel/workqueue.c:1517
queue_work_on+0x11b/0x200 kernel/workqueue.c:1545
__ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline]
ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline]
ieee80211_rx_h_mgmt+0x4a5/0x690 net/mac80211/rx.c:3846
ieee80211_rx_handlers+0x76ac/0x9140 net/mac80211/rx.c:4013
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4043 [inline]
ieee80211_prepare_and_rx_handle+0x2fc3/0x6330 net/mac80211/rx.c:4860
__ieee80211_rx_handle_packet net/mac80211/rx.c:5125 [inline]
ieee80211_rx_list+0x275d/0x31c0 net/mac80211/rx.c:5251
ieee80211_rx_napi+0x14b/0x360 net/mac80211/rx.c:5274
ieee80211_rx include/net/mac80211.h:4857 [inline]
ieee80211_tasklet_handler+0x120/0x1d0 net/mac80211/main.c:315
tasklet_action_common+0x3a1/0x550 kernel/softirq.c:797
__do_softirq+0x277/0x738 kernel/softirq.c:571
__irq_exit_rcu+0xcf/0x150 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_irq_work+0x91/0xb0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:675
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:205
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 9f fb 44 03 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000107270 EFLAGS: 00000246
RAX: 00000000000000f6 RBX: ffffffff8ce29a28 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000020e3d
R10: fffff52000020e3d R11: 1ffff92000020e3c R12: ffffffff8d417e68
R13: 00000000000002d0 R14: dffffc0000000000 R15: 0000000000000020
arch_irq_work_raise+0x82/0xd0 arch/x86/kernel/irq_work.c:31
irq_work_queue+0x91/0x120 kernel/irq_work.c:114
__kfence_alloc+0x20a/0x340 mm/kfence/core.c:1004
kfence_alloc include/linux/kfence.h:128 [inline]
slab_alloc_node mm/slub.c:3438 [inline]
__kmem_cache_alloc_node+0x32d/0x340 mm/slub.c:3491
__do_kmalloc_node mm/slab_common.c:967 [inline]
__kmalloc+0x9e/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_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0x4da/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