Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. 2023/01/25 04:16:35 fuzzer started syzkaller login: [ 57.716979][ T5082] ------------[ cut here ]------------ [ 57.722773][ T5082] WARNING: CPU: 1 PID: 5082 at mm/internal.h:908 vma_merge+0x6ab/0x20a0 [ 57.731245][ T5082] Modules linked in: [ 57.735200][ T5082] CPU: 1 PID: 5082 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230125-syzkaller #0 [ 57.744830][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 57.754965][ T5082] RIP: 0010:vma_merge+0x6ab/0x20a0 [ 57.760082][ T5082] Code: 24 28 48 8b 70 10 48 89 74 24 48 e8 3f 9d c2 ff 48 8b 74 24 48 48 39 74 24 28 0f 86 3e 01 00 00 48 89 74 24 48 e8 e5 a0 c2 ff <0f> 0b 48 8b 54 24 28 48 c7 c7 a0 5f 58 8a 48 8b 74 24 48 e8 fd 80 [ 57.779849][ T5082] RSP: 0018:ffffc90003d0f980 EFLAGS: 00010293 [ 57.785997][ T5082] RAX: 0000000000000000 RBX: ffffc90003d0fb68 RCX: 0000000000000000 [ 57.794048][ T5082] RDX: ffff888075e4ba80 RSI: ffffffff81c20c2b RDI: 0000000000000006 [ 57.802034][ T5082] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 57.810090][ T5082] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801ccab9a8 [ 57.818158][ T5082] R13: ffffc90003d0fb70 R14: ffff88801ccab9a0 R15: ffffc90003d0fa10 [ 57.826216][ T5082] FS: 000000c00047c490(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 57.835266][ T5082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.841855][ T5082] CR2: 0000000001895b10 CR3: 0000000025015000 CR4: 00000000003506e0 [ 57.849877][ T5082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.857943][ T5082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.868054][ T5082] Call Trace: [ 57.871341][ T5082] [ 57.874353][ T5082] ? vma_shrink+0x5b0/0x5b0 [ 57.878894][ T5082] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.884957][ T5082] ? __schedule+0x2462/0x5a60 [ 57.889686][ T5082] madvise_update_vma+0x21b/0xa80 [ 57.894824][ T5082] ? anon_vma_name_alloc+0xe0/0xe0 [ 57.899978][ T5082] madvise_vma_behavior+0x7ea/0x20c0 [ 57.905332][ T5082] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.910637][ T5082] ? mas_walk+0x4cd/0x6e0 [ 57.915076][ T5082] ? find_vma_prev+0xe4/0x160 [ 57.919801][ T5082] ? vm_unmapped_area+0x770/0x770 [ 57.925048][ T5082] madvise_walk_vmas+0x1c7/0x2b0 [ 57.930006][ T5082] ? madvise_vma_anon_name+0xf0/0xf0 [ 57.935377][ T5082] ? __remove_memory+0x40/0x40 [ 57.940193][ T5082] ? __ia32_sys_get_robust_list+0x400/0x400 [ 57.946161][ T5082] do_madvise.part.0+0x18e/0x340 [ 57.951142][ T5082] ? madvise_pageout+0x550/0x550 [ 57.956216][ T5082] __x64_sys_madvise+0x117/0x150 [ 57.961193][ T5082] do_syscall_64+0x39/0xb0 [ 57.965718][ T5082] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.971643][ T5082] RIP: 0033:0x4675b7 [ 57.975635][ T5082] 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 [ 57.995310][ T5082] RSP: 002b:000000c000531e18 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 58.003720][ T5082] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 58.011740][ T5082] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 58.019781][ T5082] RBP: 000000c000531e58 R08: 0000000000200000 R09: 0000000000000200 [ 58.027859][ T5082] R10: 0000000000000138 R11: 0000000000000206 R12: 00007f25aa5ad000 [ 58.035897][ T5082] R13: 0000000000000080 R14: 000000c0004ae820 R15: 0000000000001018 [ 58.044063][ T5082] [ 58.047092][ T5082] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.054358][ T5082] CPU: 1 PID: 5082 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230125-syzkaller #0 [ 58.063820][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 58.073877][ T5082] Call Trace: [ 58.077146][ T5082] [ 58.080068][ T5082] dump_stack_lvl+0xd9/0x150 [ 58.084750][ T5082] panic+0x61b/0x6c0 [ 58.088649][ T5082] ? panic_smp_self_stop+0x90/0x90 [ 58.093767][ T5082] ? show_trace_log_lvl+0x285/0x390 [ 58.099019][ T5082] ? vma_merge+0x6ab/0x20a0 [ 58.103520][ T5082] check_panic_on_warn+0xb1/0xc0 [ 58.108461][ T5082] __warn+0xf2/0x4f0 [ 58.112371][ T5082] ? vma_merge+0x6ab/0x20a0 [ 58.116910][ T5082] report_bug+0x206/0x2b0 [ 58.121271][ T5082] handle_bug+0x3c/0x70 [ 58.125441][ T5082] exc_invalid_op+0x18/0x50 [ 58.129958][ T5082] asm_exc_invalid_op+0x1a/0x20 [ 58.134820][ T5082] RIP: 0010:vma_merge+0x6ab/0x20a0 [ 58.139951][ T5082] Code: 24 28 48 8b 70 10 48 89 74 24 48 e8 3f 9d c2 ff 48 8b 74 24 48 48 39 74 24 28 0f 86 3e 01 00 00 48 89 74 24 48 e8 e5 a0 c2 ff <0f> 0b 48 8b 54 24 28 48 c7 c7 a0 5f 58 8a 48 8b 74 24 48 e8 fd 80 [ 58.159563][ T5082] RSP: 0018:ffffc90003d0f980 EFLAGS: 00010293 [ 58.165637][ T5082] RAX: 0000000000000000 RBX: ffffc90003d0fb68 RCX: 0000000000000000 [ 58.173617][ T5082] RDX: ffff888075e4ba80 RSI: ffffffff81c20c2b RDI: 0000000000000006 [ 58.181598][ T5082] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 58.189572][ T5082] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801ccab9a8 [ 58.197647][ T5082] R13: ffffc90003d0fb70 R14: ffff88801ccab9a0 R15: ffffc90003d0fa10 [ 58.205632][ T5082] ? vma_merge+0x6ab/0x20a0 [ 58.210171][ T5082] ? vma_shrink+0x5b0/0x5b0 [ 58.214868][ T5082] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.220875][ T5082] ? __schedule+0x2462/0x5a60 [ 58.225582][ T5082] madvise_update_vma+0x21b/0xa80 [ 58.230628][ T5082] ? anon_vma_name_alloc+0xe0/0xe0 [ 58.235773][ T5082] madvise_vma_behavior+0x7ea/0x20c0 [ 58.241166][ T5082] ? madvise_vma_anon_name+0xf0/0xf0 [ 58.246458][ T5082] ? mas_walk+0x4cd/0x6e0 [ 58.250805][ T5082] ? find_vma_prev+0xe4/0x160 [ 58.255509][ T5082] ? vm_unmapped_area+0x770/0x770 [ 58.260562][ T5082] madvise_walk_vmas+0x1c7/0x2b0 [ 58.265514][ T5082] ? madvise_vma_anon_name+0xf0/0xf0 [ 58.270814][ T5082] ? __remove_memory+0x40/0x40 [ 58.275590][ T5082] ? __ia32_sys_get_robust_list+0x400/0x400 [ 58.281505][ T5082] do_madvise.part.0+0x18e/0x340 [ 58.286453][ T5082] ? madvise_pageout+0x550/0x550 [ 58.291417][ T5082] __x64_sys_madvise+0x117/0x150 [ 58.296371][ T5082] do_syscall_64+0x39/0xb0 [ 58.300802][ T5082] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.306703][ T5082] RIP: 0033:0x4675b7 [ 58.310599][ T5082] 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 [ 58.330210][ T5082] RSP: 002b:000000c000531e18 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 58.338644][ T5082] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 58.346615][ T5082] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 58.354586][ T5082] RBP: 000000c000531e58 R08: 0000000000200000 R09: 0000000000000200 [ 58.362558][ T5082] R10: 0000000000000138 R11: 0000000000000206 R12: 00007f25aa5ad000 [ 58.370530][ T5082] R13: 0000000000000080 R14: 000000c0004ae820 R15: 0000000000001018 [ 58.378519][ T5082] [ 58.381703][ T5082] Kernel Offset: disabled [ 58.386262][ T5082] Rebooting in 86400 seconds..