nla_parse: 7 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:3907] Modules linked in: irq event stamp: 3189673 hardirqs last enabled at (3189672): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3189673): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (42): [] read_pnet include/net/net_namespace.h:307 [inline] softirqs last enabled at (42): [] sock_net include/net/sock.h:2436 [inline] softirqs last enabled at (42): [] unix_create1+0x458/0x530 net/unix/af_unix.c:833 softirqs last disabled at (513): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (513): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 3907 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_next_frame+0xf10/0x1400 arch/x86/kernel/unwind_orc.c:555 Code: 00 00 00 e8 f2 dc 17 00 65 8b 15 6b 4f d8 7e 85 d2 b8 01 00 00 00 0f 85 90 f1 ff ff e8 23 ad d6 ff e9 86 f1 ff ff 49 8d 7f 02 <48> be 00 00 00 00 00 fc ff df 49 8d 56 40 48 89 f8 48 c1 e8 03 44 RSP: 0018:ffff8880ba1076b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: 1ffff11017420ee0 RCX: ffffffff8b9099ed RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8b9099ea RBP: 0000000000000002 R08: ffffffff8b9099ec R09: ffffffff8b9099e8 R10: ffff8880ba1078ff R11: 0000000000074071 R12: ffff8880ba107890 R13: ffff8880ba1078d5 R14: ffff8880ba1078a0 R15: ffffffff8b9099e8 FS: 00007f02ccfcd700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ca902f018 CR3: 0000000023ccd000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x5b8/0x960 arch/x86/kernel/unwind_orc.c:667 unwind_start arch/x86/include/asm/unwind.h:60 [inline] __save_stack_trace+0x72/0x190 arch/x86/kernel/stacktrace.c:43 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 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x3b0 mm/slab.c:3666 __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 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 netdev_alloc_skb include/linux/skbuff.h:2680 [inline] dev_alloc_skb include/linux/skbuff.h:2693 [inline] send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350 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 ieee802154 phy0 wpan0: encryption failed: -22 RIP: 0010:check_preemption_disabled+0x33/0x280 lib/smp_processor_id.c:15 Code: 41 54 55 48 89 fd 53 e8 6b 67 eb fd 65 44 8b 25 23 63 8a 7c 65 8b 1d 3c c1 8a 7c 81 e3 ff ff ff 7f 31 ff 89 de e8 bd 68 eb fd <85> db 74 18 e8 44 67 eb fd e8 3f 67 eb fd 44 89 e0 5b 5d 41 5c 41 RSP: 0018:ffff8882052df7f0 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 ieee802154 phy1 wpan1: encryption failed: -22 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff83771e23 RDX: 0000000000000001 RSI: ffff8880439d4400 RDI: 0000000000000005 RBP: ffffffff88b3e120 R08: 00000000594ea6fa R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000074071 R12: 0000000000000001 R13: ffffffff88b3e0e0 R14: ffff88813be45980 R15: 0000000000000888 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock include/linux/rcupdate.h:628 [inline] is_bpf_text_address+0x14d/0x1b0 kernel/bpf/core.c:546 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+0x122/0x370 mm/slab.c:3559 copy_sighand kernel/fork.c:1435 [inline] copy_process.part.0+0x1fe4/0x8260 kernel/fork.c:1907 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f02cfa56a39 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:00007f02ccfcd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f02cfb5af60 RCX: 00007f02cfa56a39 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 00040000000007fc RBP: 00007f02cfab0a9f R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd0caf75f R14: 00007f02ccfcd300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4687 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mark_held_locks+0x1f/0xf0 kernel/locking/lockdep.c:2798 Code: ff 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 89 fd 48 81 c7 80 08 00 00 48 89 fa 41 54 <48> c1 ea 03 55 53 48 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e RSP: 0018:ffff8880a122fb00 EFLAGS: 00000086 RAX: dffffc0000000000 RBX: ffff8880a1224440 RCX: 0000000000000000 RDX: ffff8880a1224cc0 RSI: 0000000000000001 RDI: ffff8880a1224cc0 RBP: ffffffff81982899 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 R13: ffff8880a1224440 R14: ffff88823b366900 R15: ffff8880a122fc18 FS: 00007fa013d158c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa01047a000 CR3: 00000000a106e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __trace_hardirqs_on_caller kernel/locking/lockdep.c:2839 [inline] lockdep_hardirqs_on+0x3a8/0x5c0 kernel/locking/lockdep.c:2884 kmem_cache_free+0x109/0x260 mm/slab.c:3766 putname+0xe1/0x120 fs/namei.c:261 filename_lookup+0x3d0/0x5a0 fs/namei.c:2358 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x113/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3137 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0x96/0x120 fs/stat.c:344 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa012fd0335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffe5d49d128 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 000055f3e0155430 RCX: 00007fa012fd0335 RDX: 00007ffe5d49d160 RSI: 00007ffe5d49d160 RDI: 000055f3e0154430 RBP: 00007ffe5d49d220 R08: 0000000000000003 R09: 0000000000001010 R10: 000055f3e0152590 R11: 0000000000000246 R12: 000055f3e0154430 R13: 000055f3e0154445 R14: 000055f3e0152744 R15: 000055f3e015274c ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 e8 add %ch,%al 4: f2 dc 17 repnz fcoml (%rdi) 7: 00 65 8b add %ah,-0x75(%rbp) a: 15 6b 4f d8 7e adc $0x7ed84f6b,%eax f: 85 d2 test %edx,%edx 11: b8 01 00 00 00 mov $0x1,%eax 16: 0f 85 90 f1 ff ff jne 0xfffff1ac 1c: e8 23 ad d6 ff callq 0xffd6ad44 21: e9 86 f1 ff ff jmpq 0xfffff1ac 26: 49 8d 7f 02 lea 0x2(%r15),%rdi * 2a: 48 be 00 00 00 00 00 movabs $0xdffffc0000000000,%rsi <-- trapping instruction 31: fc ff df 34: 49 8d 56 40 lea 0x40(%r14),%rdx 38: 48 89 f8 mov %rdi,%rax 3b: 48 c1 e8 03 shr $0x3,%rax 3f: 44 rex.R