RBP: 00007f7782e8d32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7782fd1f80 R15: 00007ffd146f74f8
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz.2.144:1394]
Modules linked in:
CPU: 0 PID: 1394 Comm: syz.2.144 Not tainted 5.15.167-syzkaller-android13-5.15.167_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:netif_needs_gso include/linux/netdevice.h:5171 [inline]
RIP: 0010:validate_xmit_skb+0x1a7/0xce0 net/core/dev.c:3702
Code: b6 04 20 84 c0 4d 89 e5 0f 85 fb 08 00 00 44 8b 23 4b 8d 5c 26 04 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 fc 08 00 00 <4d> 01 e6 0f b7 1b 31 ff 89 de e8 ca e3 88 fd 85 db 4c 8b 6c 24 28
RSP: 0000:ffffc90000007320 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888135b10884 RCX: ffff88810c318000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000073f0 R08: ffffffff83e775d2 R09: ffffffff83e74f3c
R10: 0000000000000002 R11: ffff88810c318000 R12: 0000000000000080
R13: dffffc0000000000 R14: ffff888135b10800 R15: ffff88812ac33140
FS:  00007f7781a936c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e11fffc CR3: 000000012231d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __dev_queue_xmit+0x12d2/0x2e70 net/core/dev.c:4246
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_resolve_output+0x6b8/0x760 net/core/neighbour.c:1504
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16f0 net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 90 7c cd fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 34 2f 67 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 be 30 67 fc 65 48 8b 1d 76 40
RSP: 0000:ffffc90000d87d40 EFLAGS: 00000246
RAX: 1ffff11021863156 RBX: 1ffff920001b0fac RCX: ffffffff84e6ff00
RDX: 1ffff11021863005 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000d87dd8 R08: ffffffff874ce000 R09: ffffffff874ce008
R10: ffffffff874ce018 R11: ffffffff874ce010 R12: ffffc90000d87d60
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001b0fa8
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:exit_to_user_mode_loop+0x46/0xe0 kernel/entry/common.c:168
Code: 30 f2 56 00 e8 3b ae f7 00 fa e8 25 9f 81 03 65 48 8b 05 9d 3d a3 7e 48 8b 18 f7 c3 0e 30 02 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 73 f6 85 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 f3 db 37
RSP: 0000:ffffc90000d87ed0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000010000
RDX: 1ffffffff0e99c00 RSI: 0000000000000008 RDI: ffffc90000d87f58
RBP: ffffc90000d87ee0 R08: ffffffff874ce000 R09: ffffffff874ce008
R10: ffffffff874ce018 R11: ffffffff874ce010 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90000d87f58 R15: ffff88810c318000
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320
 irqentry_exit+0x12/0x40 kernel/entry/common.c:411
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x7f7782e1a719
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7781a93038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f7782fd1f80 RCX: 00007f7782e1a719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f7782e8d32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7782fd1f80 R15: 00007ffd146f74f8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1014 Comm: syz.1.95 Not tainted 5.15.167-syzkaller-android13-5.15.167_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x60 kernel/kcov.c:216
Code: 0b 00 00 83 fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c 0b 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 5d <c3> 66 90 55 48 89 e5 4c 8b 45 08 65 48 8b 15 90 15 92 7e 65 8b 05
RSP: 0018:ffffc900001cfaf0 EFLAGS: 00000006
RAX: ffffffff81953219 RBX: ffff88812c085a10 RCX: ffff88811bb58000
RDX: 0000000000010100 RSI: 0000000000000004 RDI: ffff88812c085a10
RBP: ffffc900001cfb30 R08: dffffc0000000000 R09: ffffed1025810b44
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812c085a10
R13: ffff88812c085a18 R14: dffffc0000000000 R15: 0000000000000022
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7781a51d58 CR3: 0000000135867000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 irq_work_single kernel/irq_work.c:155 [inline]
 irq_work_run_list+0x1c2/0x290 kernel/irq_work.c:177
 irq_work_run+0x69/0xf0 kernel/irq_work.c:186
 __sysvec_irq_work+0x63/0x1b0 arch/x86/kernel/irq_work.c:22
 sysvec_irq_work+0x41/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:stackdepot_memcmp lib/stackdepot.c:193 [inline]
RIP: 0010:find_stack lib/stackdepot.c:210 [inline]
RIP: 0010:__stack_depot_save+0x18c/0x470 lib/stackdepot.c:304
Code: 41 89 df eb 04 4d 8b 24 24 4d 85 e4 74 2d 45 39 74 24 08 75 f0 41 39 5c 24 0c 75 e9 31 c0 49 8b 4c c5 00 49 3b 4c c4 18 75 db <48> ff c0 41 39 c7 75 ec 4d 85 e4 0f 85 88 02 00 00 40 84 f6 74 0e
RSP: 0018:ffffc900001cfd18 EFLAGS: 00000246
RAX: 000000000000001b RBX: 000000000000001c RCX: ffffffff85000ccb
RDX: ffffc900001cfe58 RSI: 0000000000000001 RDI: 0000000000000800
RBP: ffffc900001cfd70 R08: 0000000000000002 R09: 000000000000001c
R10: ffffc900001cfcf0 R11: dffffc0000000001 R12: ffff888127851510
R13: ffffc900001cfd80 R14: 000000008f671dd2 R15: 000000000000001c
 kasan_save_stack mm/kasan/common.c:39 [inline]
 kasan_set_track+0x5d/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kfree+0xc8/0x220 mm/slub.c:4579
 skb_free_head net/core/skbuff.c:656 [inline]
 skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678
 skb_release_all net/core/skbuff.c:743 [inline]
 __kfree_skb net/core/skbuff.c:757 [inline]
 kfree_skb_reason net/core/skbuff.c:778 [inline]
 kfree_skb+0xba/0x360 net/core/skbuff.c:792
 ipip6_tunnel_xmit net/ipv6/sit.c:1047 [inline]
 sit_tunnel_xmit+0xf56/0x2440 net/ipv6/sit.c:1082
 __netdev_start_xmit include/linux/netdevice.h:5059 [inline]
 netdev_start_xmit include/linux/netdevice.h:5073 [inline]
 xmit_one net/core/dev.c:3624 [inline]
 dev_hard_start_xmit+0x228/0x620 net/core/dev.c:3640
 __dev_queue_xmit+0x18b4/0x2e70 net/core/dev.c:4255
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_connected_output+0x417/0x450 net/core/neighbour.c:1533
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16f0 net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 90 7c cd fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 34 2f 67 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 be 30 67 fc 65 48 8b 1d 76 40
RSP: 0018:ffffc90000c77560 EFLAGS: 00000246
RAX: 1ffff1102376b156 RBX: 1ffff9200018eeb0 RCX: ffffffff84e6ff00
RDX: 1ffffffff0e99c08 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000c775e8 R08: ffffffff874ce040 R09: ffffffff874ce048
R10: ffffffff874ce058 R11: ffffffff874ce050 R12: ffffc90000c77580
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200018eeac
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:313 [inline]
RIP: 0010:__anon_vma_interval_tree_remove mm/interval_tree.c:71 [inline]
RIP: 0010:anon_vma_interval_tree_remove+0x78/0xba0 mm/interval_tree.c:88
Code: 7d c8 74 07 e8 d9 ff ca ff eb 23 e8 d2 ff ca ff 4c 89 ff e8 8a a6 e2 00 49 89 c7 42 80 3c 2b 00 74 08 4c 89 e7 e8 38 52 0d 00 <4d> 89 3c 24 49 8d 7e 28 48 89 f8 48 c1 e8 03 42 80 3c 28 00 74 05
RSP: 0018:ffffc90000c776e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff110222468ad RCX: ffff88811bb58000
RDX: 0000000000000000 RSI: ffff888111234560 RDI: ffff88810d819800
RBP: ffffc90000c77748 R08: dffffc0000000000 R09: ffffed10232d3900
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888111234568
R13: dffffc0000000000 R14: ffff88810d8197e0 R15: 0000000000000000
 unlink_anon_vmas+0x10b/0x590 mm/rmap.c:408
 free_pgtables+0x1ef/0x280 mm/memory.c:475
 exit_mmap+0x405/0x940 mm/mmap.c:3217
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2904
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2a8c2cb719
Code: Unable to access opcode bytes at RIP 0x7f2a8c2cb6ef.
RSP: 002b:00007f2a8af440e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f2a8c482f88 RCX: 00007f2a8c2cb719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2a8c482f88
RBP: 00007f2a8c482f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a8c482f8c
R13: 0000000000000000 R14: 00007ffeefb14b30 R15: 00007ffeefb14c18
 </TASK>