Warning: Permanently added '10.128.1.116' (ECDSA) to the list of known hosts. 2023/01/25 04:16:40 fuzzer started syzkaller login: [ 63.390033][ T5079] ------------[ cut here ]------------ [ 63.395994][ T5079] WARNING: CPU: 0 PID: 5079 at mm/internal.h:908 vma_merge+0x6ab/0x20a0 [ 63.404367][ T5079] Modules linked in: [ 63.409100][ T5079] CPU: 0 PID: 5079 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230125-syzkaller #0 [ 63.419215][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 63.429594][ T5079] RIP: 0010:vma_merge+0x6ab/0x20a0 [ 63.434952][ T5079] 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 [ 63.455627][ T5079] RSP: 0018:ffffc90003d0f980 EFLAGS: 00010293 [ 63.461707][ T5079] RAX: 0000000000000000 RBX: ffffc90003d0fb68 RCX: 0000000000000000 [ 63.470001][ T5079] RDX: ffff88802047d7c0 RSI: ffffffff81c20c2b RDI: 0000000000000006 [ 63.478304][ T5079] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 63.486574][ T5079] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802a6b70e8 [ 63.494986][ T5079] R13: ffffc90003d0fb70 R14: ffff88802a6b70e0 R15: ffffc90003d0fa10 [ 63.503317][ T5079] FS: 0000000001f4dab0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 63.512489][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.519464][ T5079] CR2: 00000000019bcf50 CR3: 000000001cd36000 CR4: 00000000003506e0 [ 63.527623][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.535805][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.544913][ T5079] Call Trace: [ 63.548333][ T5079] <TASK> [ 63.551288][ T5079] ? vma_shrink+0x5b0/0x5b0 [ 63.555895][ T5079] madvise_update_vma+0x21b/0xa80 [ 63.561357][ T5079] ? anon_vma_name_alloc+0xe0/0xe0 [ 63.566820][ T5079] madvise_vma_behavior+0x7ea/0x20c0 [ 63.572174][ T5079] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.578278][ T5079] ? mas_walk+0x4cd/0x6e0 [ 63.582664][ T5079] ? find_vma_prev+0xe4/0x160 [ 63.587647][ T5079] ? vm_unmapped_area+0x770/0x770 [ 63.592753][ T5079] madvise_walk_vmas+0x1c7/0x2b0 [ 63.598266][ T5079] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.604760][ T5079] ? __remove_memory+0x40/0x40 [ 63.609576][ T5079] ? nsec_to_clock_t+0x30/0x30 [ 63.614539][ T5079] ? ktime_get_ts64+0x459/0x560 [ 63.619581][ T5079] ? set_user_sigmask+0x217/0x2a0 [ 63.624701][ T5079] do_madvise.part.0+0x18e/0x340 [ 63.629682][ T5079] ? madvise_pageout+0x550/0x550 [ 63.634797][ T5079] ? __x64_sys_epoll_pwait+0x1db/0x310 [ 63.640393][ T5079] __x64_sys_madvise+0x117/0x150 [ 63.646114][ T5079] do_syscall_64+0x39/0xb0 [ 63.650667][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.657275][ T5079] RIP: 0033:0x4675b7 [ 63.661323][ T5079] 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 [ 63.681734][ T5079] RSP: 002b:00007ffdb2dd67b0 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 63.690235][ T5079] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 63.698286][ T5079] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 63.706322][ T5079] RBP: 00007ffdb2dd67f0 R08: 0000000000200000 R09: 0000000000000200 [ 63.716402][ T5079] R10: 0000000000000123 R11: 0000000000000206 R12: 00007fc72e285000 [ 63.724400][ T5079] R13: 0000000000000080 R14: 0000000001f4d640 R15: 0000000000001018 [ 63.732536][ T5079] </TASK> [ 63.735608][ T5079] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 63.742902][ T5079] CPU: 0 PID: 5079 Comm: syz-fuzzer Not tainted 6.2.0-rc5-next-20230125-syzkaller #0 [ 63.752534][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 63.762586][ T5079] Call Trace: [ 63.765858][ T5079] <TASK> [ 63.768973][ T5079] dump_stack_lvl+0xd9/0x150 [ 63.773567][ T5079] panic+0x61b/0x6c0 [ 63.777482][ T5079] ? panic_smp_self_stop+0x90/0x90 [ 63.782591][ T5079] ? show_trace_log_lvl+0x285/0x390 [ 63.787999][ T5079] ? vma_merge+0x6ab/0x20a0 [ 63.792503][ T5079] check_panic_on_warn+0xb1/0xc0 [ 63.797792][ T5079] __warn+0xf2/0x4f0 [ 63.801693][ T5079] ? vma_merge+0x6ab/0x20a0 [ 63.806199][ T5079] report_bug+0x206/0x2b0 [ 63.810560][ T5079] handle_bug+0x3c/0x70 [ 63.814730][ T5079] exc_invalid_op+0x18/0x50 [ 63.819318][ T5079] asm_exc_invalid_op+0x1a/0x20 [ 63.824349][ T5079] RIP: 0010:vma_merge+0x6ab/0x20a0 [ 63.829558][ T5079] 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 [ 63.849363][ T5079] RSP: 0018:ffffc90003d0f980 EFLAGS: 00010293 [ 63.855470][ T5079] RAX: 0000000000000000 RBX: ffffc90003d0fb68 RCX: 0000000000000000 [ 63.863552][ T5079] RDX: ffff88802047d7c0 RSI: ffffffff81c20c2b RDI: 0000000000000006 [ 63.871971][ T5079] RBP: 0000000000000000 R08: 0000000000000006 R09: 000000c000400000 [ 63.880118][ T5079] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802a6b70e8 [ 63.888088][ T5079] R13: ffffc90003d0fb70 R14: ffff88802a6b70e0 R15: ffffc90003d0fa10 [ 63.896069][ T5079] ? vma_merge+0x6ab/0x20a0 [ 63.900611][ T5079] ? vma_shrink+0x5b0/0x5b0 [ 63.905140][ T5079] madvise_update_vma+0x21b/0xa80 [ 63.910192][ T5079] ? anon_vma_name_alloc+0xe0/0xe0 [ 63.915323][ T5079] madvise_vma_behavior+0x7ea/0x20c0 [ 63.920703][ T5079] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.926181][ T5079] ? mas_walk+0x4cd/0x6e0 [ 63.930800][ T5079] ? find_vma_prev+0xe4/0x160 [ 63.935608][ T5079] ? vm_unmapped_area+0x770/0x770 [ 63.940730][ T5079] madvise_walk_vmas+0x1c7/0x2b0 [ 63.945876][ T5079] ? madvise_vma_anon_name+0xf0/0xf0 [ 63.951294][ T5079] ? __remove_memory+0x40/0x40 [ 63.956339][ T5079] ? nsec_to_clock_t+0x30/0x30 [ 63.961399][ T5079] ? ktime_get_ts64+0x459/0x560 [ 63.966268][ T5079] ? set_user_sigmask+0x217/0x2a0 [ 63.971295][ T5079] do_madvise.part.0+0x18e/0x340 [ 63.976234][ T5079] ? madvise_pageout+0x550/0x550 [ 63.981175][ T5079] ? __x64_sys_epoll_pwait+0x1db/0x310 [ 63.986747][ T5079] __x64_sys_madvise+0x117/0x150 [ 63.991787][ T5079] do_syscall_64+0x39/0xb0 [ 63.996391][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.002401][ T5079] RIP: 0033:0x4675b7 [ 64.006396][ T5079] 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 [ 64.026124][ T5079] RSP: 002b:00007ffdb2dd67b0 EFLAGS: 00000206 ORIG_RAX: 000000000000001c [ 64.034665][ T5079] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7 [ 64.042868][ T5079] RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c000600000 [ 64.050958][ T5079] RBP: 00007ffdb2dd67f0 R08: 0000000000200000 R09: 0000000000000200 [ 64.059060][ T5079] R10: 0000000000000123 R11: 0000000000000206 R12: 00007fc72e285000 [ 64.067336][ T5079] R13: 0000000000000080 R14: 0000000001f4d640 R15: 0000000000001018 [ 64.075765][ T5079] </TASK> [ 64.079052][ T5079] Kernel Offset: disabled [ 64.083663][ T5079] Rebooting in 86400 seconds..