./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2048711380 <...> Warning: Permanently added '10.128.0.9' (ED25519) to the list of known hosts. execve("./syz-executor2048711380", ["./syz-executor2048711380"], 0x7ffc4bb052b0 /* 10 vars */) = 0 brk(NULL) = 0x555556937000 brk(0x555556937d00) = 0x555556937d00 arch_prctl(ARCH_SET_FS, 0x555556937380) = 0 set_tid_address(0x555556937650) = 5040 set_robust_list(0x555556937660, 24) = 0 rseq(0x555556937ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2048711380", 4096) = 28 getrandom("\x14\xa6\xb1\x55\x7f\x96\x9d\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556937d00 brk(0x555556958d00) = 0x555556958d00 brk(0x555556959000) = 0x555556959000 mprotect(0x7f85cc806000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 memfd_create("\xff", MFD_HUGETLB) = 3 mmap(0x20000000, 8388608, PROT_WRITE|PROT_GROWSUP, MAP_SHARED|MAP_FIXED|MAP_NORESERVE|MAP_POPULATE|MAP_EXECUTABLE|MAP_HUGETLB|0x80, 3, 0) = 0x20000000 [ 75.702653][ T5040] ------------[ cut here ]------------ [ 75.708162][ T5040] WARNING: CPU: 1 PID: 5040 at lib/iov_iter.c:463 page_copy_sane+0xc2/0x2c0 [ 75.721755][ T5040] Modules linked in: [ 75.725832][ T5040] CPU: 1 PID: 5040 Comm: syz-executor204 Not tainted 6.6.0-rc1-next-20230914-syzkaller #0 [ 75.736101][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 75.746417][ T5040] RIP: 0010:page_copy_sane+0xc2/0x2c0 [ 75.751845][ T5040] Code: e8 73 db 63 fd 66 90 e8 6c db 63 fd e8 67 db 63 fd 4c 89 ee 48 89 ef e8 6c d6 63 fd 49 39 ed 0f 83 eb 00 00 00 e8 4e db 63 fd <0f> 0b 31 db e8 45 db 63 fd 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 [ 75.771478][ T5040] RSP: 0018:ffffc90003eefa58 EFLAGS: 00010293 [ 75.777562][ T5040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.785610][ T5040] RDX: ffff88807a01d940 RSI: ffffffff84241482 RDI: 0000000000000006 [ 75.793623][ T5040] RBP: 0000000000200000 R08: 0000000000000006 R09: 0000000000201000 [ 75.802140][ T5040] R10: 0000000000200000 R11: 0000000000000000 R12: 0000000000000009 [ 75.810437][ T5040] R13: 0000000000201000 R14: 0000000000000001 R15: ffffea0001fe0000 [ 75.818508][ T5040] FS: 0000555556937380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.827477][ T5040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.834135][ T5040] CR2: 00000000200001c0 CR3: 000000002911d000 CR4: 00000000003506e0 [ 75.842158][ T5040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.850167][ T5040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.858180][ T5040] Call Trace: [ 75.861871][ T5040] [ 75.864808][ T5040] ? show_regs+0x8f/0xa0 [ 75.869089][ T5040] ? __warn+0xe6/0x380 [ 75.873257][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 75.878009][ T5040] ? report_bug+0x3bc/0x580 [ 75.882574][ T5040] ? handle_bug+0x3c/0x70 [ 75.886930][ T5040] ? exc_invalid_op+0x17/0x40 [ 75.891638][ T5040] ? asm_exc_invalid_op+0x1a/0x20 [ 75.896767][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 75.901557][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 75.906348][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 75.911243][ T5040] copy_page_to_iter+0x35/0x180 [ 75.916120][ T5040] hugetlbfs_read_iter+0x3d7/0xa60 [ 75.921325][ T5040] do_iter_readv_writev+0x2f2/0x3c0 [ 75.926570][ T5040] ? generic_copy_file_range+0x1d0/0x1d0 [ 75.932254][ T5040] ? security_file_permission+0xdc/0x100 [ 75.938184][ T5040] do_iter_read+0x315/0x870 [ 75.942764][ T5040] vfs_readv+0x12d/0x1a0 [ 75.947049][ T5040] ? vfs_iter_read+0xb0/0xb0 [ 75.951682][ T5040] ? cgroup_update_frozen+0x144/0x6b0 [ 75.957054][ T5040] ? recalc_sigpending_tsk+0x188/0x1d0 [ 75.962572][ T5040] ? reacquire_held_locks+0x4b0/0x4b0 [ 75.968005][ T5040] __x64_sys_preadv+0x228/0x300 [ 75.972908][ T5040] ? __ia32_sys_writev+0xb0/0xb0 [ 75.977856][ T5040] ? _raw_spin_unlock_irq+0x2e/0x50 [ 75.983105][ T5040] ? ptrace_notify+0xf4/0x130 [ 75.987813][ T5040] do_syscall_64+0x38/0xb0 [ 75.992257][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 75.998166][ T5040] RIP: 0033:0x7f85cc7932e9 [ 76.002597][ T5040] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 76.027102][ T5040] RSP: 002b:00007ffda50bbbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 76.035576][ T5040] RAX: ffffffffffffffda RBX: 00007ffda50bbdb8 RCX: 00007f85cc7932e9 [ 76.043596][ T5040] RDX: 0000000000000002 RSI: 0000000020000180 RDI: 0000000000000003 [ 76.051735][ T5040] RBP: 00007f85cc806610 R08: 0000000000000000 R09: 0000000000000000 [ 76.059730][ T5040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 76.067730][ T5040] R13: 00007ffda50bbda8 R14: 0000000000000001 R15: 0000000000000001 [ 76.075753][ T5040] [ 76.078893][ T5040] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.086155][ T5040] CPU: 1 PID: 5040 Comm: syz-executor204 Not tainted 6.6.0-rc1-next-20230914-syzkaller #0 [ 76.096479][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 76.106588][ T5040] Call Trace: [ 76.109882][ T5040] [ 76.112802][ T5040] dump_stack_lvl+0xd9/0x1b0 [ 76.117400][ T5040] panic+0x6dc/0x790 [ 76.121305][ T5040] ? panic_smp_self_stop+0xa0/0xa0 [ 76.126414][ T5040] ? show_trace_log_lvl+0x363/0x4f0 [ 76.131612][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 76.136367][ T5040] check_panic_on_warn+0xab/0xb0 [ 76.141390][ T5040] __warn+0xf2/0x380 [ 76.145278][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 76.150028][ T5040] report_bug+0x3bc/0x580 [ 76.154349][ T5040] handle_bug+0x3c/0x70 [ 76.158534][ T5040] exc_invalid_op+0x17/0x40 [ 76.163142][ T5040] asm_exc_invalid_op+0x1a/0x20 [ 76.168150][ T5040] RIP: 0010:page_copy_sane+0xc2/0x2c0 [ 76.173516][ T5040] Code: e8 73 db 63 fd 66 90 e8 6c db 63 fd e8 67 db 63 fd 4c 89 ee 48 89 ef e8 6c d6 63 fd 49 39 ed 0f 83 eb 00 00 00 e8 4e db 63 fd <0f> 0b 31 db e8 45 db 63 fd 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 [ 76.193251][ T5040] RSP: 0018:ffffc90003eefa58 EFLAGS: 00010293 [ 76.199323][ T5040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.207570][ T5040] RDX: ffff88807a01d940 RSI: ffffffff84241482 RDI: 0000000000000006 [ 76.215545][ T5040] RBP: 0000000000200000 R08: 0000000000000006 R09: 0000000000201000 [ 76.223522][ T5040] R10: 0000000000200000 R11: 0000000000000000 R12: 0000000000000009 [ 76.231513][ T5040] R13: 0000000000201000 R14: 0000000000000001 R15: ffffea0001fe0000 [ 76.240838][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 76.245881][ T5040] ? page_copy_sane+0xc2/0x2c0 [ 76.250638][ T5040] copy_page_to_iter+0x35/0x180 [ 76.255489][ T5040] hugetlbfs_read_iter+0x3d7/0xa60 [ 76.260813][ T5040] do_iter_readv_writev+0x2f2/0x3c0 [ 76.266051][ T5040] ? generic_copy_file_range+0x1d0/0x1d0 [ 76.271716][ T5040] ? security_file_permission+0xdc/0x100 [ 76.277470][ T5040] do_iter_read+0x315/0x870 [ 76.282023][ T5040] vfs_readv+0x12d/0x1a0 [ 76.287064][ T5040] ? vfs_iter_read+0xb0/0xb0 [ 76.291830][ T5040] ? cgroup_update_frozen+0x144/0x6b0 [ 76.297211][ T5040] ? recalc_sigpending_tsk+0x188/0x1d0 [ 76.302763][ T5040] ? reacquire_held_locks+0x4b0/0x4b0 [ 76.308337][ T5040] __x64_sys_preadv+0x228/0x300 [ 76.313354][ T5040] ? __ia32_sys_writev+0xb0/0xb0 [ 76.318837][ T5040] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.324180][ T5040] ? ptrace_notify+0xf4/0x130 [ 76.329307][ T5040] do_syscall_64+0x38/0xb0 [ 76.333839][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.339757][ T5040] RIP: 0033:0x7f85cc7932e9 [ 76.344228][ T5040] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 76.363937][ T5040] RSP: 002b:00007ffda50bbbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 76.372614][ T5040] RAX: ffffffffffffffda RBX: 00007ffda50bbdb8 RCX: 00007f85cc7932e9 [ 76.380855][ T5040] RDX: 0000000000000002 RSI: 0000000020000180 RDI: 0000000000000003 [ 76.388842][ T5040] RBP: 00007f85cc806610 R08: 0000000000000000 R09: 0000000000000000 [ 76.396819][ T5040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 76.404792][ T5040] R13: 00007ffda50bbda8 R14: 0000000000000001 R15: 0000000000000001 [ 76.413395][ T5040] [ 76.417063][ T5040] Kernel Offset: disabled [ 76.422006][ T5040] Rebooting in 86400 seconds..