gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usb usb2: usbfs: process 28724 (syz-executor.3) did not claim interface 0 before use device bridge1696 entered promiscuous mode gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" INFO: task syz-executor.2:22267 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 syz-executor.2 D28848 22267 24857 0x00000004 Call Trace: usb usb2: usbfs: process 28746 (syz-executor.3) did not claim interface 0 before use context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usb usb2: usbfs: process 28783 (syz-executor.3) did not claim interface 0 before use do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 device bridge1699 entered promiscuous mode usb_start_wait_urb+0x14b/0x4c0 drivers/usb/core/message.c:62 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" usb usb2: usbfs: process 28823 (syz-executor.3) did not claim interface 0 before use usb_bulk_msg+0x226/0x550 drivers/usb/core/message.c:253 dlm: no local IP address has been set proc_bulk+0x3de/0x860 drivers/usb/core/devio.c:1211 dlm: cannot start dlm lowcomms -107 usb usb2: usbfs: process 28828 (syz-executor.3) did not claim interface 0 before use gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usbdev_do_ioctl+0x696/0x3030 drivers/usb/core/devio.c:2435 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usb usb2: usbfs: process 28850 (syz-executor.3) did not claim interface 0 before use gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 usb usb2: usbfs: process 28870 (syz-executor.3) did not claim interface 0 before use ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f4644851279 Code: Bad RIP value. device bridge1701 entered promiscuous mode RSP: 002b:00007f46431c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4644963f80 RCX: 00007f4644851279 RDX: 0000000020000180 RSI: 00000000c0185502 RDI: 0000000000000003 RBP: 00007f46448ab189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 usb usb2: usbfs: process 28876 (syz-executor.3) did not claim interface 0 before use R13: 00007ffca0ff272f R14: 00007f46431c6300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1561: #0: 00000000491fff5c (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by systemd-udevd/4696: 1 lock held by in:imklog/7801: #0: 00000000121bad7d (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-fuzzer/8118: #0: 00000000bec38933 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000bec38933 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 3 locks held by kworker/u4:7/8875: usb usb2: usbfs: process 28898 (syz-executor.3) did not claim interface 0 before use 3 locks held by kworker/1:4/9341: #0: 000000005ed1c9b3 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000000e98658e ((work_completion)(&ns->proc_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 device bridge1703 entered promiscuous mode #2: 00000000a5fe19e3 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #2: 00000000a5fe19e3 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 2 locks held by kworker/1:0/15425: #0: 000000005ed1c9b3 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" #1: 00000000147c31ff ((work_completion)(&ns->proc_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 2 locks held by kworker/1:3/15481: #0: 00000000a5768578 ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 gfs2: fsid=syz:syz: dlm_new_lockspace error -107 #1: 00000000fb690fba ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" 1 lock held by syz-executor.5/28909: dlm: no local IP address has been set 2 locks held by syz-executor.1/28937: dlm: cannot start dlm lowcomms -107 1 lock held by syz-executor.0/28967: gfs2: fsid=syz:syz: dlm_new_lockspace error -107 1 lock held by syz-executor.2/28966: #0: 00000000a18eeb63 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000a18eeb63 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 usb usb2: usbfs: process 28977 (syz-executor.3) did not claim interface 0 before use 3 locks held by syz-executor.2/28974: 1 lock held by syz-executor.3/28977: 2 locks held by syz-executor.1/28979: 1 lock held by syz-executor.0/28980: #0: 00000000bec38933 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000bec38933 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" 1 lock held by syz-executor.0/28990: EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 ============================================= gfs2: fsid=syz:syz: dlm_new_lockspace error -107 usb usb2: usbfs: process 29004 (syz-executor.3) did not claim interface 0 before use EXT4-fs warning (device loop1): ext4_group_extend:1831: will only finish group (32768 blocks, 32704 new) NMI backtrace for cpu 1 CPU: 1 PID: 1561 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4696 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_local_irq_disable arch/x86/include/asm/paravirt.h:794 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:807 [inline] RIP: 0010:lock_is_held_type+0xb8/0x210 kernel/locking/lockdep.c:3942 Code: fc ff df 48 89 c3 48 c7 c0 90 82 f1 89 48 c1 e8 03 80 3c 10 00 0f 85 4c 01 00 00 48 83 3d 0f cd a6 08 00 0f 84 e8 00 00 00 fa <66> 0f 1f 44 00 00 65 4c 8b 24 25 c0 df 01 00 49 8d bc 24 84 08 00 RSP: 0018:ffff88809d287a50 EFLAGS: 00000082 RAX: 1ffffffff13e3052 RBX: 0000000000000286 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff88809d278f04 RBP: ffffffff89f85f60 R08: 0000000000002000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 000000000000009a R13: ffff88823b88e2a0 R14: ffff88809d287e58 R15: ffff8880a2c87080 FS: 00007f9ee86ab8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c012b49980 CR3: 000000009ccd1000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:344 [inline] ___might_sleep+0x1ea/0x2b0 kernel/sched/core.c:6157 begin_current_label_crit_section security/apparmor/include/cred.h:154 [inline] aa_sk_perm+0x132/0x930 security/apparmor/net.c:174 security_socket_recvmsg+0x5c/0xc0 security/security.c:1419 sock_recvmsg+0x47/0x110 net/socket.c:864 ___sys_recvmsg+0x255/0x570 net/socket.c:2389 __sys_recvmsg net/socket.c:2438 [inline] __do_sys_recvmsg net/socket.c:2448 [inline] __se_sys_recvmsg net/socket.c:2445 [inline] __x64_sys_recvmsg+0x12f/0x220 net/socket.c:2445 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9ee77f1dc7 Code: 89 01 b8 ff ff ff ff eb d8 66 2e 0f 1f 84 00 00 00 00 00 8b 05 0a b6 20 00 85 c0 75 2e 48 63 ff 48 63 d2 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 b1 71 20 00 f7 d8 64 89 02 48 RSP: 002b:00007ffd535373c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007ffd53539670 RCX: 00007f9ee77f1dc7 RDX: 0000000000000000 RSI: 00007ffd53537460 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00005619c1157990 R09: 0000000000000000 R10: 00005619c114d036 R11: 0000000000000246 R12: 00005619c115c1a0 R13: 00005619c1147010 R14: 00007ffd53537540 R15: 00007ffd53539640