Warning: Permanently added '10.128.15.195' (ECDSA) to the list of known hosts. 2023/01/24 04:06:20 fuzzer started syzkaller login: [ 57.339379][ T5070] ------------[ cut here ]------------ [ 57.345418][ T5070] WARNING: CPU: 1 PID: 5070 at mm/internal.h:908 vma_merge.cold+0x2e0/0x6b1 [ 57.354637][ T5070] Modules linked in: [ 57.358606][ T5070] CPU: 0 PID: 5070 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230124-syzkaller #0 [ 57.368259][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.378914][ T5070] RIP: 0010:vma_merge.cold+0x2e0/0x6b1 [ 57.384487][ T5070] 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 [ 57.404387][ T5070] RSP: 0018:ffffc90003d4f980 EFLAGS: 00010293 [ 57.410660][ T5070] RAX: 0000000000000000 RBX: ffffc90003d4fb60 RCX: 0000000000000000 [ 57.419167][ T5070] RDX: ffff88801eda9d40 RSI: ffffffff89c09b9c RDI: 0000000000000006 [ 57.427377][ T5070] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 57.435823][ T5070] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880246a91c8 [ 57.443927][ T5070] R13: ffffc90003d4fb70 R14: ffff8880246a91c0 R15: ffffc90003d4fa10 [ 57.451927][ T5070] FS: 000000c000052490(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.460975][ T5070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.467654][ T5070] CR2: 00007fbef1cb2300 CR3: 0000000076675000 CR4: 00000000003506f0 [ 57.475686][ T5070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.483861][ T5070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.491863][ T5070] Call Trace: [ 57.495210][ T5070] [ 57.498287][ T5070] ? vma_shrink+0x5b0/0x5b0 [ 57.502945][ T5070] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.508970][ T5070] ? __schedule+0x25d8/0x5a70 [ 57.513861][ T5070] madvise_update_vma+0x21b/0xa80 [ 57.519022][ T5070] ? anon_vma_name_alloc+0xe0/0xe0 [ 57.525096][ T5070] madvise_vma_behavior+0x7ea/0x20a0 [ 57.530476][ T5070] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.535896][ T5070] ? mas_walk+0x4cd/0x6e0 [ 57.540276][ T5070] ? find_vma_prev+0xe4/0x160 [ 57.545110][ T5070] ? vm_unmapped_area+0x770/0x770 [ 57.550199][ T5070] madvise_walk_vmas+0x1c7/0x2b0 [ 57.555392][ T5070] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.560761][ T5070] ? __remove_memory+0x40/0x40 [ 57.565751][ T5070] ? __ia32_sys_get_robust_list+0x400/0x400 [ 57.571713][ T5070] do_madvise.part.0+0x18e/0x340 [ 57.577036][ T5070] ? madvise_pageout+0x550/0x550 [ 57.582139][ T5070] __x64_sys_madvise+0x117/0x150 [ 57.587550][ T5070] do_syscall_64+0x39/0xb0 [ 57.592013][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.598015][ T5070] RIP: 0033:0x4675b7 [ 57.602039][ T5070] 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 [ 57.622298][ T5070] RSP: 002b:000000c000063e18 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 57.631174][ T5070] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 57.639820][ T5070] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 57.647896][ T5070] RBP: 000000c000063e58 R08: 0000000000200000 R09: 0000000000000200 [ 57.655959][ T5070] R10: 000000000000013e R11: 0000000000000206 R12: 00007fbef42dc000 [ 57.664025][ T5070] R13: 0000000000000080 R14: 000000c000000820 R15: 0000000000001018 [ 57.672105][ T5070] [ 57.675330][ T5070] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.682836][ T5070] CPU: 0 PID: 5070 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230124-syzkaller #0 [ 57.692351][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.703153][ T5070] Call Trace: [ 57.706449][ T5070] [ 57.709398][ T5070] dump_stack_lvl+0xd1/0x138 [ 57.714140][ T5070] panic+0x2cc/0x626 [ 57.718304][ T5070] ? panic_print_sys_info.part.0+0x110/0x110 [ 57.724538][ T5070] ? vma_merge.cold+0x2e0/0x6b1 [ 57.729438][ T5070] check_panic_on_warn.cold+0x19/0x35 [ 57.734914][ T5070] __warn+0xf2/0x1a0 [ 57.738883][ T5070] ? vma_merge.cold+0x2e0/0x6b1 [ 57.743793][ T5070] report_bug+0x1c0/0x210 [ 57.748311][ T5070] handle_bug+0x3c/0x70 [ 57.752614][ T5070] exc_invalid_op+0x18/0x50 [ 57.757175][ T5070] asm_exc_invalid_op+0x1a/0x20 [ 57.762080][ T5070] RIP: 0010:vma_merge.cold+0x2e0/0x6b1 [ 57.767750][ T5070] 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 [ 57.787748][ T5070] RSP: 0018:ffffc90003d4f980 EFLAGS: 00010293 [ 57.793837][ T5070] RAX: 0000000000000000 RBX: ffffc90003d4fb60 RCX: 0000000000000000 [ 57.801933][ T5070] RDX: ffff88801eda9d40 RSI: ffffffff89c09b9c RDI: 0000000000000006 [ 57.810012][ T5070] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 57.818015][ T5070] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880246a91c8 [ 57.826352][ T5070] R13: ffffc90003d4fb70 R14: ffff8880246a91c0 R15: ffffc90003d4fa10 [ 57.834356][ T5070] ? vma_merge.cold+0x2e0/0x6b1 [ 57.839262][ T5070] ? vma_shrink+0x5b0/0x5b0 [ 57.843796][ T5070] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.849798][ T5070] ? __schedule+0x25d8/0x5a70 [ 57.854504][ T5070] madvise_update_vma+0x21b/0xa80 [ 57.859564][ T5070] ? anon_vma_name_alloc+0xe0/0xe0 [ 57.864818][ T5070] madvise_vma_behavior+0x7ea/0x20a0 [ 57.870256][ T5070] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.875679][ T5070] ? mas_walk+0x4cd/0x6e0 [ 57.880033][ T5070] ? find_vma_prev+0xe4/0x160 [ 57.884765][ T5070] ? vm_unmapped_area+0x770/0x770 [ 57.889945][ T5070] madvise_walk_vmas+0x1c7/0x2b0 [ 57.894919][ T5070] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.900227][ T5070] ? __remove_memory+0x40/0x40 [ 57.905027][ T5070] ? __ia32_sys_get_robust_list+0x400/0x400 [ 57.911141][ T5070] do_madvise.part.0+0x18e/0x340 [ 57.916098][ T5070] ? madvise_pageout+0x550/0x550 [ 57.921077][ T5070] __x64_sys_madvise+0x117/0x150 [ 57.926061][ T5070] do_syscall_64+0x39/0xb0 [ 57.930513][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.936436][ T5070] RIP: 0033:0x4675b7 [ 57.940452][ T5070] 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 [ 57.960166][ T5070] RSP: 002b:000000c000063e18 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 57.968596][ T5070] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 57.976843][ T5070] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 57.984839][ T5070] RBP: 000000c000063e58 R08: 0000000000200000 R09: 0000000000000200 [ 57.993259][ T5070] R10: 000000000000013e R11: 0000000000000206 R12: 00007fbef42dc000 [ 58.001432][ T5070] R13: 0000000000000080 R14: 000000c000000820 R15: 0000000000001018 [ 58.009464][ T5070] [ 58.012579][ T5070] Kernel Offset: disabled [ 58.017185][ T5070] Rebooting in 86400 seconds..