./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1157121981 <...> Warning: Permanently added '10.128.1.215' (ED25519) to the list of known hosts. execve("./syz-executor1157121981", ["./syz-executor1157121981"], 0x7ffc187b05b0 /* 10 vars */) = 0 brk(NULL) = 0x5555879a3000 brk(0x5555879a3d00) = 0x5555879a3d00 arch_prctl(ARCH_SET_FS, 0x5555879a3380) = 0 set_tid_address(0x5555879a3650) = 5218 set_robust_list(0x5555879a3660, 24) = 0 rseq(0x5555879a3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1157121981", 4096) = 28 getrandom("\xde\x79\x43\xda\xfa\xf5\x6a\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555879a3d00 brk(0x5555879c4d00) = 0x5555879c4d00 brk(0x5555879c5000) = 0x5555879c5000 mprotect(0x7f91ffaf7000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555879a3650) = 5219 ./strace-static-x86_64: Process 5219 attached [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] set_robust_list(0x5555879a3660, 24) = 0 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5218] <... clone resumed>, child_tidptr=0x5555879a3650) = 5220 ./strace-static-x86_64: Process 5221 attached [pid 5220] set_robust_list(0x5555879a3660, 24 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] set_robust_list(0x5555879a3660, 24 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... clone resumed>, child_tidptr=0x5555879a3650) = 5221 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] set_robust_list(0x5555879a3660, 24 [pid 5218] <... clone resumed>, child_tidptr=0x5555879a3650) = 5222 [pid 5221] setpgid(0, 0 [pid 5220] <... clone resumed>, child_tidptr=0x5555879a3650) = 5223 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached [pid 5222] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5224 attached [pid 5223] set_robust_list(0x5555879a3660, 24 [pid 5221] <... openat resumed>) = 3 [pid 5218] <... clone resumed>, child_tidptr=0x5555879a3650) = 5224 [pid 5224] set_robust_list(0x5555879a3660, 24 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5221] write(3, "1000", 4 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... write resumed>) = 4 ./strace-static-x86_64: Process 5225 attached [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5226 attached [pid 5225] set_robust_list(0x5555879a3660, 24 [pid 5223] setpgid(0, 0 [pid 5222] <... clone resumed>, child_tidptr=0x5555879a3650) = 5225 [pid 5221] close(3./strace-static-x86_64: Process 5227 attached [pid 5218] <... clone resumed>, child_tidptr=0x5555879a3650) = 5226 [pid 5226] set_robust_list(0x5555879a3660, 24 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] <... setpgid resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5227] set_robust_list(0x5555879a3660, 24 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... clone resumed>, child_tidptr=0x5555879a3650) = 5227 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] write(1, "executing program\n", 18executing program [pid 5227] <... set_robust_list resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5223] <... openat resumed>) = 3 [pid 5221] <... write resumed>) = 18 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] setpgid(0, 0 [pid 5221] mkdirat(AT_FDCWD, "./file0", 000./strace-static-x86_64: Process 5228 attached [pid 5227] <... prctl resumed>) = 0 [pid 5225] <... setpgid resumed>) = 0 [pid 5223] write(3, "1000", 4 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] <... mkdirat resumed>) = 0 [pid 5228] set_robust_list(0x5555879a3660, 24 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] <... openat resumed>) = 3 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x5555879a3650) = 5228 [pid 5225] <... openat resumed>) = 3 [pid 5223] <... write resumed>) = 4 [pid 5221] pipe2( [pid 5223] close(3 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] write(3, "1000", 4 [pid 5225] write(3, "1000", 4 [pid 5223] <... close resumed>) = 0 [pid 5221] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5228] <... prctl resumed>) = 0 [pid 5227] <... write resumed>) = 4 [pid 5225] <... write resumed>) = 4 [pid 5223] write(1, "executing program\n", 18 [pid 5221] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004"executing program [pid 5228] setpgid(0, 0 [pid 5227] close(3 [pid 5225] close(3 [pid 5223] <... write resumed>) = 18 [pid 5227] <... close resumed>) = 0 [pid 5228] <... setpgid resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5223] mkdirat(AT_FDCWD, "./file0", 000 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 5227] write(1, "executing program\n", 18 [pid 5225] write(1, "executing program\n", 18 [pid 5223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5228] <... openat resumed>) = 3 [pid 5227] <... write resumed>) = 18 [pid 5225] <... write resumed>) = 18 [pid 5223] pipe2( [pid 5225] mkdirat(AT_FDCWD, "./file0", 000 [pid 5223] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5228] write(3, "1000", 4 [pid 5227] mkdirat(AT_FDCWD, "./file0", 000 [pid 5225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5223] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004" [pid 5228] <... write resumed>) = 4 [pid 5227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5227] pipe2([3, 4], 0) = 0 [pid 5227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004" [pid 5228] close(3 [pid 5225] pipe2([3, 4], 0) = 0 [pid 5228] <... close resumed>) = 0 [pid 5228] write(1, "executing program\n", 18executing program [pid 5225] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004" [pid 5228] <... write resumed>) = 18 [pid 5228] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 5228] pipe2([3, 4], 0) = 0 [ 54.106979][ T5223] ------------[ cut here ]------------ [ 54.112678][ T5223] kmem_cache of name '9p-fcall-cache' already exists [ 54.121679][ T5223] WARNING: CPU: 0 PID: 5223 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 [ 54.131562][ T5223] Modules linked in: [ 54.135479][ T5223] CPU: 0 UID: 0 PID: 5223 Comm: syz-executor115 Not tainted 6.12.0-rc2-syzkaller-00061-gb983b271662b #0 [ 54.146754][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.157155][ T5223] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 54.163519][ T5223] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 9e 08 db 09 85 c0 75 e8 90 48 c7 c7 99 1f 0a 8e 4c 89 fe e8 fa 12 7b ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 f8 09 db 09 48 85 c0 0f 85 [ 54.183309][ T5223] RSP: 0018:ffffc90003b67788 EFLAGS: 00010246 [ 54.189519][ T5223] RAX: 4fbb847bbf48b700 RBX: ffff88814b489ce8 RCX: ffff88802bf63c00 [ 54.197561][ T5223] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 54.205539][ T5223] RBP: ffffffff8ea1e360 R08: ffffffff8155e322 R09: fffffbfff1cf9fd8 [ 54.213554][ T5223] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 54.222043][ T5223] R13: 0000000000000000 R14: ffffc90003b67860 R15: ffffffff8d2d20e0 [ 54.230039][ T5223] FS: 00005555879a3380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 54.239118][ T5223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.245734][ T5223] CR2: 00005595c2274790 CR3: 000000007239a000 CR4: 00000000003526f0 [ 54.253745][ T5223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.261768][ T5223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.269792][ T5223] Call Trace: [ 54.273088][ T5223] [ 54.276023][ T5223] ? __warn+0x168/0x4e0 [ 54.280241][ T5223] ? __kmem_cache_create_args+0xa7/0x350 [ 54.285899][ T5223] ? report_bug+0x2b3/0x500 [ 54.290477][ T5223] ? __kmem_cache_create_args+0xa7/0x350 [ 54.296184][ T5223] ? handle_bug+0x60/0x90 [ 54.300530][ T5223] ? exc_invalid_op+0x1a/0x50 [ 54.305222][ T5223] ? asm_exc_invalid_op+0x1a/0x20 [ 54.310303][ T5223] ? __warn_printk+0x292/0x360 [ 54.315086][ T5223] ? __kmem_cache_create_args+0xa7/0x350 [ 54.320754][ T5223] ? __kmem_cache_create_args+0xa6/0x350 [ 54.326433][ T5223] p9_client_create+0xba5/0x1110 [ 54.331367][ T5223] ? __pfx_p9_client_create+0x10/0x10 [ 54.336767][ T5223] ? __asan_memset+0x23/0x50 [ 54.341373][ T5223] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 54.347237][ T5223] ? __raw_spin_lock_init+0x45/0x100 [ 54.352538][ T5223] v9fs_session_init+0x1e4/0x1b80 [ 54.357628][ T5223] ? __pfx_v9fs_session_init+0x10/0x10 [ 54.363107][ T5223] ? __kasan_kmalloc+0x98/0xb0 [ 54.367906][ T5223] ? v9fs_mount+0xb2/0xaa0 [ 54.372355][ T5223] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 54.377942][ T5223] v9fs_mount+0xcf/0xaa0 [ 54.382201][ T5223] ? __kasan_kmalloc+0x98/0xb0 [ 54.387032][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 54.391919][ T5223] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 54.397517][ T5223] ? legacy_init_fs_context+0x7e/0xc0 [ 54.402903][ T5223] legacy_get_tree+0xee/0x190 [ 54.407638][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 54.412503][ T5223] vfs_get_tree+0x90/0x2b0 [ 54.416997][ T5223] do_new_mount+0x2be/0xb40 [ 54.421524][ T5223] ? __pfx_do_new_mount+0x10/0x10 [ 54.426614][ T5223] __se_sys_mount+0x2d6/0x3c0 [ 54.431320][ T5223] ? __pfx___se_sys_mount+0x10/0x10 [ 54.436571][ T5223] ? exc_page_fault+0x590/0x8c0 [ 54.441450][ T5223] ? __x64_sys_mount+0x20/0xc0 [ 54.446260][ T5223] do_syscall_64+0xf3/0x230 [ 54.450771][ T5223] ? clear_bhb_loop+0x35/0x90 [ 54.455452][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.461407][ T5223] RIP: 0033:0x7f91ffa83e29 [ 54.465837][ T5223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 54.485482][ T5223] RSP: 002b:00007ffe4b8dede8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.493935][ T5223] RAX: ffffffffffffffda RBX: 00007f91ffacd04e RCX: 00007f91ffa83e29 [ 54.501938][ T5223] RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 [ 54.509951][ T5223] RBP: 00000000000f4240 R08: 0000000020000600 R09: 00000000000000a0 [ 54.517976][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.525951][ T5223] R13: 00007ffe4b8df008 R14: 00007ffe4b8dee10 R15: 00007ffe4b8dee00 [ 54.533989][ T5223] [ 54.537035][ T5223] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.544336][ T5223] CPU: 0 UID: 0 PID: 5223 Comm: syz-executor115 Not tainted 6.12.0-rc2-syzkaller-00061-gb983b271662b #0 [ 54.555428][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.565481][ T5223] Call Trace: [ 54.568760][ T5223] [ 54.571682][ T5223] dump_stack_lvl+0x241/0x360 [ 54.576360][ T5223] ? __pfx_dump_stack_lvl+0x10/0x10 [ 54.581549][ T5223] ? __pfx__printk+0x10/0x10 [ 54.586143][ T5223] ? vscnprintf+0x5d/0x90 [ 54.590464][ T5223] panic+0x349/0x880 [ 54.594356][ T5223] ? __warn+0x177/0x4e0 [ 54.598504][ T5223] ? __pfx_panic+0x10/0x10 [ 54.602928][ T5223] __warn+0x34b/0x4e0 [ 54.606910][ T5223] ? __kmem_cache_create_args+0xa7/0x350 [ 54.612540][ T5223] report_bug+0x2b3/0x500 [ 54.616866][ T5223] ? __kmem_cache_create_args+0xa7/0x350 [ 54.622495][ T5223] handle_bug+0x60/0x90 [ 54.626643][ T5223] exc_invalid_op+0x1a/0x50 [ 54.631138][ T5223] asm_exc_invalid_op+0x1a/0x20 [ 54.635984][ T5223] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 54.642221][ T5223] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 9e 08 db 09 85 c0 75 e8 90 48 c7 c7 99 1f 0a 8e 4c 89 fe e8 fa 12 7b ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 f8 09 db 09 48 85 c0 0f 85 [ 54.661816][ T5223] RSP: 0018:ffffc90003b67788 EFLAGS: 00010246 [ 54.667880][ T5223] RAX: 4fbb847bbf48b700 RBX: ffff88814b489ce8 RCX: ffff88802bf63c00 [ 54.675842][ T5223] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 54.683801][ T5223] RBP: ffffffff8ea1e360 R08: ffffffff8155e322 R09: fffffbfff1cf9fd8 [ 54.691764][ T5223] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 54.699727][ T5223] R13: 0000000000000000 R14: ffffc90003b67860 R15: ffffffff8d2d20e0 [ 54.707694][ T5223] ? __warn_printk+0x292/0x360 [ 54.712467][ T5223] ? __kmem_cache_create_args+0xa6/0x350 [ 54.718099][ T5223] p9_client_create+0xba5/0x1110 [ 54.723040][ T5223] ? __pfx_p9_client_create+0x10/0x10 [ 54.728401][ T5223] ? __asan_memset+0x23/0x50 [ 54.732989][ T5223] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 54.738801][ T5223] ? __raw_spin_lock_init+0x45/0x100 [ 54.744092][ T5223] v9fs_session_init+0x1e4/0x1b80 [ 54.749124][ T5223] ? __pfx_v9fs_session_init+0x10/0x10 [ 54.754583][ T5223] ? __kasan_kmalloc+0x98/0xb0 [ 54.759347][ T5223] ? v9fs_mount+0xb2/0xaa0 [ 54.763758][ T5223] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 54.769313][ T5223] v9fs_mount+0xcf/0xaa0 [ 54.773602][ T5223] ? __kasan_kmalloc+0x98/0xb0 [ 54.778372][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 54.783219][ T5223] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 54.788761][ T5223] ? legacy_init_fs_context+0x7e/0xc0 [ 54.794133][ T5223] legacy_get_tree+0xee/0x190 [ 54.798810][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 54.803664][ T5223] vfs_get_tree+0x90/0x2b0 [ 54.808080][ T5223] do_new_mount+0x2be/0xb40 [ 54.812584][ T5223] ? __pfx_do_new_mount+0x10/0x10 [ 54.817617][ T5223] __se_sys_mount+0x2d6/0x3c0 [ 54.822301][ T5223] ? __pfx___se_sys_mount+0x10/0x10 [ 54.827497][ T5223] ? exc_page_fault+0x590/0x8c0 [ 54.832357][ T5223] ? __x64_sys_mount+0x20/0xc0 [ 54.837119][ T5223] do_syscall_64+0xf3/0x230 [ 54.841612][ T5223] ? clear_bhb_loop+0x35/0x90 [ 54.846280][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.852176][ T5223] RIP: 0033:0x7f91ffa83e29 [ 54.856586][ T5223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 54.876184][ T5223] RSP: 002b:00007ffe4b8dede8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.884594][ T5223] RAX: ffffffffffffffda RBX: 00007f91ffacd04e RCX: 00007f91ffa83e29 [ 54.892556][ T5223] RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 [ 54.900531][ T5223] RBP: 00000000000f4240 R08: 0000000020000600 R09: 00000000000000a0 [ 54.908507][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.916471][ T5223] R13: 00007ffe4b8df008 R14: 00007ffe4b8dee10 R15: 00007ffe4b8dee00 [ 54.924451][ T5223] [ 54.927705][ T5223] Kernel Offset: disabled [ 54.932102][ T5223] Rebooting in 86400 seconds..