wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.2:31126 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. syz-executor.2 D29952 31126 26640 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f66df4dd0f9 Code: Bad RIP value. RSP: 002b:00007f66dda4f168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f66df5fcf80 RCX: 00007f66df4dd0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f66df538ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448f88bf R14: 00007f66dda4f300 R15: 0000000000022000 INFO: task syz-executor.2:31131 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. syz-executor.2 D29920 31131 26640 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f66df4dd0f9 Code: Bad RIP value. RSP: 002b:00007f66dda2e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f66df5fd050 RCX: 00007f66df4dd0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f66df538ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448f88bf R14: 00007f66dda2e300 R15: 0000000000022000 INFO: task syz-executor.2:31148 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. syz-executor.2 D30592 31148 26640 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f66df4dd0f9 Code: Bad RIP value. RSP: 002b:00007f66dda0d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f66df5fd120 RCX: 00007f66df4dd0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f66df538ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448f88bf R14: 00007f66dda0d300 R15: 0000000000022000 INFO: task syz-executor.2:31157 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. syz-executor.2 D26760 31157 26640 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f66df4dd0f9 Code: Bad RIP value. RSP: 002b:00007f66dd9ec168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f66df5fd1f0 RCX: 00007f66df4dd0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f66df538ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448f88bf R14: 00007f66dd9ec300 R15: 0000000000022000 INFO: task syz-executor.2:31165 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. syz-executor.2 D29920 31165 26640 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f66df4dd0f9 Code: Bad RIP value. RSP: 002b:00007f66d65cb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f66df5fd2c0 RCX: 00007f66df4dd0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f66df538ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448f88bf R14: 00007f66d65cb300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 000000002e53d4a3 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7799: #0: 0000000073e88311 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.2/14110: #0: 00000000bfba9d29 (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000bfba9d29 (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/14509: #0: 000000006a738739 (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000006a738739 (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/14804: #0: 000000003d888765 (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000003d888765 (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/21690: #0: 000000009a389f8a (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000009a389f8a (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/22110: #0: 000000006cfbab6a (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000006cfbab6a (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/26195: #0: 000000003996c9af (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000003996c9af (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/26589: #0: 000000001b6e6703 (&type->s_umount_key#77/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 000000001b6e6703 (&type->s_umount_key#77/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/31126: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31131: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31148: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31157: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31165: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31467: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31469: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31470: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31471: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31501: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31802: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31803: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31804: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31805: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.2/31808: #0: 00000000bfba9d29 (&type->s_umount_key#78){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 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 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60