Bluetooth: hci1: command 0x0406 tx timeout ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.1:32511] Modules linked in: irq event stamp: 9601561 hardirqs last enabled at (9601560): [<ffffffff81003ce4>] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (9601561): [<ffffffff81003d00>] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4856): [<ffffffff88400678>] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (14611): [<ffffffff813927d5>] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (14611): [<ffffffff813927d5>] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 32511 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:202 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0x115/0x170 mm/kasan/kasan.c:267 Code: da 74 0f 80 3a 00 74 ef 4a 8d 44 25 00 48 85 d2 75 4c 48 89 da 48 29 c2 e9 5b ff ff ff 48 29 c3 48 89 da 49 89 d3 49 c1 fb 3f <49> c1 eb 3d 4c 01 da 83 e2 07 4c 29 da 74 8c 48 01 c2 eb 0d 48 83 RSP: 0018:ffff8880ba107a28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffed1013873030 RBX: 0000000000000001 RCX: ffffffff86709929 RDX: 0000000000000001 RSI: 00000000000000c8 RDI: ffff88809c3980c0 RBP: ffffed1013873018 R08: 0000000000000001 R09: ffffed1013873030 R10: ffff88809c398187 R11: 0000000000000000 R12: 00000000000000c8 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809c3980c0 FS: 00007f496d946700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe4adf5c20 CR3: 000000004d97f000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> memset+0x20/0x40 mm/kasan/kasan.c:285 memset include/linux/string.h:362 [inline] __alloc_skb+0xe9/0x560 net/core/skbuff.c:220 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2700 [inline] netdev_alloc_skb_ip_align include/linux/skbuff.h:2710 [inline] br_ip4_multicast_alloc_query net/bridge/br_multicast.c:383 [inline] br_multicast_alloc_query net/bridge/br_multicast.c:582 [inline] __br_multicast_send_query+0x1146/0x2dc0 net/bridge/br_multicast.c:941 br_multicast_send_query+0x216/0x3a0 net/bridge/br_multicast.c:988 br_multicast_query_expired net/bridge/br_multicast.c:1942 [inline] br_ip4_multicast_query_expired+0xdc/0x110 net/bridge/br_multicast.c:1950 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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 </IRQ> RIP: 0010:get_reg+0x12/0x1f0 arch/x86/kernel/unwind_orc.c:377 Code: 44 e5 6e 00 eb de 66 90 48 8b 07 48 89 06 c3 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 55 49 89 d5 c1 ee 03 <41> 54 55 53 48 89 fb 48 83 c7 50 48 83 ec 68 48 c7 44 24 08 b3 8a RSP: 0018:ffff88803c7cf588 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff110078f9ebc RCX: ffffffff8c11b3f7 RDX: ffff88803c7cf620 RSI: 0000000000000004 RDI: ffff88803c7cf6c8 RBP: 0000000000000001 R08: ffffffff8c11b3f6 R09: ffffffff8c11b3d4 R10: ffff88803c7cf727 R11: 0000000000074071 R12: ffff88803c7cff58 R13: ffff88803c7cf620 R14: ffff88803c7cf6c8 R15: ffffffff8c11b3f2 unwind_next_frame+0xdfc/0x1400 arch/x86/kernel/unwind_orc.c:550 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 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 __do_kmalloc mm/slab.c:3727 [inline] __kmalloc_track_caller+0x155/0x3c0 mm/slab.c:3742 kstrdup+0x36/0x70 mm/util.c:56 bprm_change_interp+0x88/0xf0 fs/exec.c:1452 load_script+0x5b3/0x8a0 fs/binfmt_script.c:133 search_binary_handler.part.0+0xf9/0x4e0 fs/exec.c:1668 search_binary_handler+0x7d/0xa0 fs/exec.c:1657 load_script+0x647/0x8a0 fs/binfmt_script.c:148 search_binary_handler.part.0+0xf9/0x4e0 fs/exec.c:1668 search_binary_handler+0x7d/0xa0 fs/exec.c:1657 load_script+0x647/0x8a0 fs/binfmt_script.c:148 search_binary_handler.part.0+0xf9/0x4e0 fs/exec.c:1668 search_binary_handler fs/exec.c:1657 [inline] exec_binprm fs/exec.c:1710 [inline] __do_execve_file+0x1357/0x2360 fs/exec.c:1832 do_execveat_common fs/exec.c:1879 [inline] do_execve+0x35/0x50 fs/exec.c:1896 __do_sys_execve fs/exec.c:1977 [inline] __se_sys_execve fs/exec.c:1972 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:1972 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f496efd0e99 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f496d946168 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00007f496f0e3f60 RCX: 00007f496efd0e99 RDX: 00000000200003c0 RSI: 0000000020000240 RDI: 0000000020000000 RBP: 00007f496f02aff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd173a78f R14: 00007f496d946300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 ---------------- Code disassembly (best guess): 0: da 74 0f 80 fidivl -0x80(%rdi,%rcx,1) 4: 3a 00 cmp (%rax),%al 6: 74 ef je 0xfffffff7 8: 4a 8d 44 25 00 lea 0x0(%rbp,%r12,1),%rax d: 48 85 d2 test %rdx,%rdx 10: 75 4c jne 0x5e 12: 48 89 da mov %rbx,%rdx 15: 48 29 c2 sub %rax,%rdx 18: e9 5b ff ff ff jmpq 0xffffff78 1d: 48 29 c3 sub %rax,%rbx 20: 48 89 da mov %rbx,%rdx 23: 49 89 d3 mov %rdx,%r11 26: 49 c1 fb 3f sar $0x3f,%r11 * 2a: 49 c1 eb 3d shr $0x3d,%r11 <-- trapping instruction 2e: 4c 01 da add %r11,%rdx 31: 83 e2 07 and $0x7,%edx 34: 4c 29 da sub %r11,%rdx 37: 74 8c je 0xffffffc5 39: 48 01 c2 add %rax,%rdx 3c: eb 0d jmp 0x4b 3e: 48 rex.W 3f: 83 .byte 0x83