DUID 00:04:08:6f:95:b8:7a:da:47:d5:ae:28:d8:4d:e4:58:2e:6d forked to background, child pid 4653 [ 38.292797][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.314238][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. 2023/01/24 04:06:22 fuzzer started syzkaller login: [ 59.672845][ T5068] ------------[ cut here ]------------ [ 59.678995][ T5068] WARNING: CPU: 1 PID: 5068 at mm/internal.h:908 vma_merge.cold+0x2e0/0x6b1 [ 59.688731][ T5068] Modules linked in: [ 59.692777][ T5068] CPU: 1 PID: 5068 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230124-syzkaller #0 [ 59.702405][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 59.712578][ T5068] RIP: 0010:vma_merge.cold+0x2e0/0x6b1 [ 59.718156][ T5068] Code: 2a 48 c1 ea 03 80 3c 02 00 74 09 48 8b 3c 24 e8 7a 39 0f f8 48 8b 04 24 4c 8b 28 e9 e6 4a fe f7 48 89 74 24 48 e8 84 52 c1 f7 <0f> 0b 48 8b 54 24 28 48 c7 c7 a0 60 58 8a 48 8b 74 24 48 e8 e4 d5 [ 59.738495][ T5068] RSP: 0018:ffffc90003caf980 EFLAGS: 00010293 [ 59.744786][ T5068] RAX: 0000000000000000 RBX: ffffc90003cafb60 RCX: 0000000000000000 [ 59.752927][ T5068] RDX: ffff888078659d40 RSI: ffffffff89c09b9c RDI: 0000000000000006 [ 59.760913][ T5068] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 59.768986][ T5068] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888027eebd28 [ 59.777028][ T5068] R13: ffffc90003cafb70 R14: ffff888027eebd20 R15: ffffc90003cafa10 [ 59.785285][ T5068] FS: 0000000001f4dab0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 59.794316][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.801101][ T5068] CR2: 00007f0702cce000 CR3: 000000001d97c000 CR4: 00000000003506e0 [ 59.809174][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.817424][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.825670][ T5068] Call Trace: [ 59.829071][ T5068] [ 59.832319][ T5068] ? vma_shrink+0x5b0/0x5b0 [ 59.836877][ T5068] madvise_update_vma+0x21b/0xa80 [ 59.842299][ T5068] ? anon_vma_name_alloc+0xe0/0xe0 [ 59.847486][ T5068] madvise_vma_behavior+0x7ea/0x20a0 [ 59.852921][ T5068] ? madvise_vma_anon_name+0xf0/0xf0 [ 59.858300][ T5068] ? mas_walk+0x4cd/0x6e0 [ 59.862746][ T5068] ? find_vma_prev+0xe4/0x160 [ 59.867851][ T5068] ? vm_unmapped_area+0x770/0x770 [ 59.873020][ T5068] madvise_walk_vmas+0x1c7/0x2b0 [ 59.878180][ T5068] ? madvise_vma_anon_name+0xf0/0xf0 [ 59.883557][ T5068] ? __remove_memory+0x40/0x40 [ 59.888385][ T5068] ? __ia32_sys_get_robust_list+0x400/0x400 [ 59.894438][ T5068] do_madvise.part.0+0x18e/0x340 [ 59.899597][ T5068] ? madvise_pageout+0x550/0x550 [ 59.904626][ T5068] ? __x64_sys_futex+0x1ca/0x4d0 [ 59.909732][ T5068] ? __x64_sys_futex+0x1d3/0x4d0 [ 59.914915][ T5068] __x64_sys_madvise+0x117/0x150 [ 59.919952][ T5068] do_syscall_64+0x39/0xb0 [ 59.924535][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.930648][ T5068] RIP: 0033:0x4675b7 [ 59.934665][ T5068] Code: 8b 24 24 48 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 48 c7 c0 1c 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 [ 59.954622][ T5068] RSP: 002b:00007ffe355cffe0 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 59.963146][ T5068] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 59.971168][ T5068] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 59.979281][ T5068] RBP: 00007ffe355d0020 R08: 0000000000200000 R09: 0000000000000200 [ 59.987358][ T5068] R10: 0000000000000140 R11: 0000000000000206 R12: 00007f07051a9000 [ 59.995432][ T5068] R13: 0000000000000080 R14: 0000000001f4d640 R15: 0000000000001018 [ 60.003641][ T5068] [ 60.006800][ T5068] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.014099][ T5068] CPU: 1 PID: 5068 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230124-syzkaller #0 [ 60.023654][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 60.034551][ T5068] Call Trace: [ 60.037824][ T5068] [ 60.040832][ T5068] dump_stack_lvl+0xd1/0x138 [ 60.045508][ T5068] panic+0x2cc/0x626 [ 60.049534][ T5068] ? panic_print_sys_info.part.0+0x110/0x110 [ 60.055747][ T5068] ? vma_merge.cold+0x2e0/0x6b1 [ 60.060647][ T5068] check_panic_on_warn.cold+0x19/0x35 [ 60.066033][ T5068] __warn+0xf2/0x1a0 [ 60.069937][ T5068] ? vma_merge.cold+0x2e0/0x6b1 [ 60.074914][ T5068] report_bug+0x1c0/0x210 [ 60.079371][ T5068] handle_bug+0x3c/0x70 [ 60.083727][ T5068] exc_invalid_op+0x18/0x50 [ 60.088351][ T5068] asm_exc_invalid_op+0x1a/0x20 [ 60.093332][ T5068] RIP: 0010:vma_merge.cold+0x2e0/0x6b1 [ 60.098864][ T5068] Code: 2a 48 c1 ea 03 80 3c 02 00 74 09 48 8b 3c 24 e8 7a 39 0f f8 48 8b 04 24 4c 8b 28 e9 e6 4a fe f7 48 89 74 24 48 e8 84 52 c1 f7 <0f> 0b 48 8b 54 24 28 48 c7 c7 a0 60 58 8a 48 8b 74 24 48 e8 e4 d5 [ 60.118514][ T5068] RSP: 0018:ffffc90003caf980 EFLAGS: 00010293 [ 60.124614][ T5068] RAX: 0000000000000000 RBX: ffffc90003cafb60 RCX: 0000000000000000 [ 60.132600][ T5068] RDX: ffff888078659d40 RSI: ffffffff89c09b9c RDI: 0000000000000006 [ 60.140774][ T5068] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 60.148768][ T5068] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888027eebd28 [ 60.156752][ T5068] R13: ffffc90003cafb70 R14: ffff888027eebd20 R15: ffffc90003cafa10 [ 60.164773][ T5068] ? vma_merge.cold+0x2e0/0x6b1 [ 60.169869][ T5068] ? vma_shrink+0x5b0/0x5b0 [ 60.174504][ T5068] madvise_update_vma+0x21b/0xa80 [ 60.179660][ T5068] ? anon_vma_name_alloc+0xe0/0xe0 [ 60.184890][ T5068] madvise_vma_behavior+0x7ea/0x20a0 [ 60.190228][ T5068] ? madvise_vma_anon_name+0xf0/0xf0 [ 60.195571][ T5068] ? mas_walk+0x4cd/0x6e0 [ 60.199954][ T5068] ? find_vma_prev+0xe4/0x160 [ 60.204771][ T5068] ? vm_unmapped_area+0x770/0x770 [ 60.209852][ T5068] madvise_walk_vmas+0x1c7/0x2b0 [ 60.215020][ T5068] ? madvise_vma_anon_name+0xf0/0xf0 [ 60.220341][ T5068] ? __remove_memory+0x40/0x40 [ 60.225155][ T5068] ? __ia32_sys_get_robust_list+0x400/0x400 [ 60.231099][ T5068] do_madvise.part.0+0x18e/0x340 [ 60.236065][ T5068] ? madvise_pageout+0x550/0x550 [ 60.241076][ T5068] ? __x64_sys_futex+0x1ca/0x4d0 [ 60.246123][ T5068] ? __x64_sys_futex+0x1d3/0x4d0 [ 60.251102][ T5068] __x64_sys_madvise+0x117/0x150 [ 60.256063][ T5068] do_syscall_64+0x39/0xb0 [ 60.260501][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.266421][ T5068] RIP: 0033:0x4675b7 [ 60.270422][ T5068] Code: 8b 24 24 48 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 48 c7 c0 1c 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 [ 60.290268][ T5068] RSP: 002b:00007ffe355cffe0 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 60.298724][ T5068] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 60.306801][ T5068] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 60.315227][ T5068] RBP: 00007ffe355d0020 R08: 0000000000200000 R09: 0000000000000200 [ 60.323214][ T5068] R10: 0000000000000140 R11: 0000000000000206 R12: 00007f07051a9000 [ 60.331290][ T5068] R13: 0000000000000080 R14: 0000000001f4d640 R15: 0000000000001018 [ 60.339436][ T5068] [ 60.342530][ T5068] Kernel Offset: disabled [ 60.347219][ T5068] Rebooting in 86400 seconds..