ieee802154 phy1 wpan1: encryption failed: -22 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-fuzzer:15422 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-fuzzer D26120 15422 8098 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 __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x41dc66 Code: 00 04 00 00 e8 bb f2 04 00 48 8b 44 24 18 48 8d 50 01 48 8b 44 24 10 48 8b 4c 24 20 48 39 d0 7e 18 48 8b 1d 9c 18 47 01 84 03 <48> 8b 34 d1 48 81 fe 00 00 40 00 72 af eb 23 48 c7 05 a0 b5 47 01 RSP: 002b:000000c006815f98 EFLAGS: 00010246 RAX: 000000000000000d RBX: 00007f6879134000 RCX: 00007f689fa5c108 RDX: 0000000000000000 RSI: 000000000046a780 RDI: 000000000041db60 RBP: 000000c006815fc0 R08: 00007ffcfe13f000 R09: 000000870cfdf013 R10: 001b4e2f9c13fb4c R11: 0000000000000001 R12: 0000000000000003 R13: 000000c018fce600 R14: 0000007d144322f7 R15: 000000c014702648 Showing all locks held in the system: 1 lock held by kthreadd/2: 6 locks held by kworker/u4:4/341: 1 lock held by khungtaskd/1571: #0: 0000000070c74f3f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-udevd/4697: 1 lock held by systemd-timesyn/5519: 2 locks held by syz-fuzzer/8105: 1 lock held by syz-fuzzer/15422: #0: 0000000074068d7c (&mm->mmap_sem){++++}, at: __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 3 locks held by kworker/u4:6/8877: 3 locks held by kworker/u4:7/8881: 3 locks held by syz-executor.2/11636: 3 locks held by syz-executor.2/11675: 3 locks held by syz-executor.2/11693: 3 locks held by syz-executor.4/11719: 3 locks held by kworker/u4:10/12129: 3 locks held by kworker/u4:11/12239: 3 locks held by syz-executor.4/21382: 2 locks held by syz-executor.2/21521: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 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+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 CPU: 1 PID: 11719 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:lockdep_hardirqs_off+0x29/0x2c0 kernel/locking/lockdep.c:2893 Code: 00 48 c7 c0 60 f1 45 8a 41 54 48 ba 00 00 00 00 00 fc ff df 48 89 c1 55 83 e0 07 48 89 fd 48 c1 e9 03 53 83 c0 03 0f b6 14 11 <65> 48 8b 1c 25 c0 df 01 00 38 d0 7c 08 84 d2 0f 85 02 02 00 00 8b RSP: 0018:ffff8880ba107800 EFLAGS: 00000006 RAX: 0000000000000003 RBX: ffff8880ba11e2c0 RCX: 1ffffffff148be2c RDX: 0000000000000004 RSI: ffffffff8167adc4 RDI: ffffffff813925fb RBP: ffffffff813925fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66505b R12: ffff88804b6b71d8 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f1e6fa6b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6878d538c8 CR3: 00000000a59de000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: irq_exit+0x3b/0x260 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100 Code: e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 RSP: 0018:ffff8880ba107920 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff816d11b9 RDX: 0000000000000000 RSI: ffffffff816d1184 RDI: ffff8880a1496774 RBP: 00007f1e71116e99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000074071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88813bff0940 R15: 00000000000001c0 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] is_bpf_text_address+0xe4/0x1b0 kernel/bpf/core.c:548 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x151/0x3b0 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:compound_head include/linux/page-flags.h:145 [inline] RIP: 0010:virt_to_head_page include/linux/mm.h:667 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline] RIP: 0010:qlist_free_all+0xd4/0x140 mm/kasan/quarantine.c:163 Code: 49 89 ee 0f 85 75 ff ff ff 48 89 df e8 c5 eb 92 ff 48 b9 00 00 00 00 00 ea ff ff 48 c1 e8 0c 48 c1 e0 06 48 01 c8 48 8b 50 08 <48> 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 RSP: 0018:ffff88804b6b7288 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: ffffea0000537700 RBX: ffff888014ddc580 RCX: ffffea0000000000 RDX: ffffea00005376c8 RSI: ffffffff812b5eca RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffff888014ddc580 R13: ffff88804b6b72c0 R14: 0000000000000000 R15: 0000000000000286 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x144/0x3c0 mm/slab.c:3736 kmalloc_array include/linux/slab.h:637 [inline] kcalloc include/linux/slab.h:648 [inline] ext4_ext_remove_space+0xc32/0x3e80 fs/ext4/extents.c:2953 ext4_ext_truncate+0x1ae/0x200 fs/ext4/extents.c:4670 ext4_truncate+0xe27/0x1380 fs/ext4/inode.c:4557 ext4_evict_inode+0x934/0x17b0 fs/ext4/inode.c:305 evict+0x2ed/0x760 fs/inode.c:559 iput_final fs/inode.c:1555 [inline] iput+0x4f1/0x860 fs/inode.c:1581 dentry_unlink_inode+0x265/0x320 fs/dcache.c:374 __dentry_kill+0x3c0/0x640 fs/dcache.c:566 dentry_kill+0xc4/0x510 fs/dcache.c:685 dput+0x55f/0x640 fs/dcache.c:846 path_put+0x2d/0x60 fs/namei.c:484 free_fs_struct fs/fs_struct.c:90 [inline] exit_fs+0xf6/0x170 fs/fs_struct.c:107 do_exit+0xbc1/0x2be0 kernel/exit.c:866 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1e71116e99 Code: Bad RIP value. RSP: 002b:00007f1e6fa6b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f1e7122a038 RCX: 00007f1e71116e99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1e7122a038 RBP: 00007f1e7122a030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1e7122a03c R13: 00007ffe693223ef R14: 00007f1e6fa6b300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 00 48 c7 add %cl,-0x39(%rax) 3: c0 60 f1 45 shlb $0x45,-0xf(%rax) 7: 8a 41 54 mov 0x54(%rcx),%al a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 11: fc ff df 14: 48 89 c1 mov %rax,%rcx 17: 55 push %rbp 18: 83 e0 07 and $0x7,%eax 1b: 48 89 fd mov %rdi,%rbp 1e: 48 c1 e9 03 shr $0x3,%rcx 22: 53 push %rbx 23: 83 c0 03 add $0x3,%eax 26: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx * 2a: 65 48 8b 1c 25 c0 df mov %gs:0x1dfc0,%rbx <-- trapping instruction 31: 01 00 33: 38 d0 cmp %dl,%al 35: 7c 08 jl 0x3f 37: 84 d2 test %dl,%dl 39: 0f 85 02 02 00 00 jne 0x241 3f: 8b .byte 0x8b