8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 INFO: task syz-executor.2:7432 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28864 7432 7408 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_timeout+0x6d7/0xda0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x282/0x460 kernel/sched/completion.c:136 __io_uring_register+0xb8/0x1b20 fs/io_uring.c:2467 __do_sys_io_uring_register fs/io_uring.c:2517 [inline] __se_sys_io_uring_register fs/io_uring.c:2499 [inline] __ia32_sys_io_uring_register+0x16f/0x1e0 fs/io_uring.c:2499 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fca849 Code: Bad RIP value. RSP: 002b:00000000f7fc60cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.2:7433 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D30448 7433 7408 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x806/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fca849 Code: Bad RIP value. RSP: 002b:00000000f7fa50cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.2:7467 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29576 7467 7408 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_timeout+0x6d7/0xda0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x282/0x460 kernel/sched/completion.c:136 __io_uring_register+0xb8/0x1b20 fs/io_uring.c:2467 __do_sys_io_uring_register fs/io_uring.c:2517 [inline] __se_sys_io_uring_register fs/io_uring.c:2499 [inline] __ia32_sys_io_uring_register+0x16f/0x1e0 fs/io_uring.c:2499 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fca849 Code: Bad RIP value. RSP: 002b:00000000f7f840cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.2:7468 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D30472 7468 7408 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x806/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fca849 Code: Bad RIP value. RSP: 002b:00000000f7f630cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.0:7438 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29576 7438 7417 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_timeout+0x6d7/0xda0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x282/0x460 kernel/sched/completion.c:136 __io_uring_register+0xb8/0x1b20 fs/io_uring.c:2467 __do_sys_io_uring_register fs/io_uring.c:2517 [inline] __se_sys_io_uring_register fs/io_uring.c:2499 [inline] __ia32_sys_io_uring_register+0x16f/0x1e0 fs/io_uring.c:2499 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f75849 Code: Bad RIP value. RSP: 002b:00000000f7f710cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.0:7445 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29576 7445 7417 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x806/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f75849 Code: Bad RIP value. RSP: 002b:00000000f7f500cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.4:7443 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29576 7443 7415 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_timeout+0x6d7/0xda0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x282/0x460 kernel/sched/completion.c:136 __io_uring_register+0xb8/0x1b20 fs/io_uring.c:2467 __do_sys_io_uring_register fs/io_uring.c:2517 [inline] __se_sys_io_uring_register fs/io_uring.c:2499 [inline] __ia32_sys_io_uring_register+0x16f/0x1e0 fs/io_uring.c:2499 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f50849 Code: Bad RIP value. RSP: 002b:00000000f7f4c0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.4:7452 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D30472 7452 7415 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x806/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f50849 Code: Bad RIP value. RSP: 002b:00000000f7f2b0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.1:7450 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29360 7450 7413 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_timeout+0x6d7/0xda0 kernel/time/timer.c:1779 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x282/0x460 kernel/sched/completion.c:136 __io_uring_register+0xb8/0x1b20 fs/io_uring.c:2467 __do_sys_io_uring_register fs/io_uring.c:2517 [inline] __se_sys_io_uring_register fs/io_uring.c:2499 [inline] __ia32_sys_io_uring_register+0x16f/0x1e0 fs/io_uring.c:2499 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f8e849 Code: Bad RIP value. RSP: 002b:00000000f7f8a0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor.1:7453 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D30472 7453 7413 0x20020004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x904/0x1c20 kernel/sched/core.c:3485 schedule+0x7f/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x806/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x23b/0xa60 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f8e849 Code: Bad RIP value. RSP: 002b:00000000f7f690cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1040: #0: 000000009fa921ba (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a kernel/locking/lockdep.c:4389 2 locks held by getty/7298: #0: 000000004a7145e4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000fe42dfa7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7299: #0: 00000000c6ed0fca (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008263c9f0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7300: #0: 000000001bd0d39b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004447455e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7301: #0: 0000000020a24f14 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008995cb2a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7302: #0: 00000000a15e474e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d1cdf31e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7303: #0: 000000002dd16c05 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000b4a62caf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 2 locks held by getty/7304: #0: 000000006d1c008e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000c6faea38 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.2/7432: #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.2/7433: #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.2/7467: #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.2/7468: #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.0/7438: #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.0/7445: #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.4/7443: #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.4/7452: #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.1/7450: #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.1/7453: #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.3/7460: #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.3/7462: #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 1 lock held by syz-executor.5/7465: #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_register fs/io_uring.c:2516 [inline] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_register fs/io_uring.c:2499 [inline] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 fs/io_uring.c:2499 1 lock held by syz-executor.5/7466: #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __do_sys_io_uring_enter fs/io_uring.c:2216 [inline] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __se_sys_io_uring_enter fs/io_uring.c:2175 [inline] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 fs/io_uring.c:2175 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc6+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x113/0x167 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.4+0x3e/0x76 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x121/0x15b lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x5c3/0xb40 kernel/hung_task.c:287 kthread+0x327/0x3f0 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: kworker/u4:2 Not tainted 5.0.0-rc6+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:lockdep_hardirqs_off+0xe/0x2c0 kernel/locking/lockdep.c:2822 Code: 45 00 e9 c1 fe ff ff e8 20 5c 45 00 e9 37 fe ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 <41> 55 49 89 fd 48 c7 c7 38 49 d2 88 48 89 fa 41 54 48 c1 ea 03 53 RSP: 0018:ffff8880a9adfc00 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff813e7990 RCX: 0000000000000001 RDX: 1ffffffff1024587 RSI: 0000000000000201 RDI: ffffffff813e7990 RBP: ffff8880a9adfc00 R08: ffffed101138ec9c R09: ffffed101138ec9b R10: ffffed101138ec9b R11: ffff888089c764db R12: ffffffff86715368 R13: ffff8880a9ad20c0 R14: ffffffff868bc6c0 R15: ffff8880a7dde280 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000d58000 CR3: 00000000a8231000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_off+0x41/0x190 kernel/trace/trace_preemptirq.c:43 __local_bh_enable_ip+0x120/0x260 kernel/softirq.c:171 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:200 spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_nc_purge_paths+0x1d8/0x300 net/batman-adv/network-coding.c:482 batadv_nc_worker+0x1f3/0x630 net/batman-adv/network-coding.c:731 process_one_work+0x835/0x16b0 kernel/workqueue.c:2173 worker_thread+0x85/0xb60 kernel/workqueue.c:2319 kthread+0x327/0x3f0 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352