./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor418878357 <...> Warning: Permanently added '10.128.1.205' (ED25519) to the list of known hosts. execve("./syz-executor418878357", ["./syz-executor418878357"], 0x7ffc597c9630 /* 10 vars */) = 0 brk(NULL) = 0x55558099a000 brk(0x55558099ad00) = 0x55558099ad00 arch_prctl(ARCH_SET_FS, 0x55558099a380) = 0 set_tid_address(0x55558099a650) = 5219 set_robust_list(0x55558099a660, 24) = 0 rseq(0x55558099aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor418878357", 4096) = 27 getrandom("\xd9\x72\xe9\x9b\xa8\x15\x15\x07", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558099ad00 brk(0x5555809bbd00) = 0x5555809bbd00 brk(0x5555809bc000) = 0x5555809bc000 mprotect(0x7f3adf216000, 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./strace-static-x86_64: Process 5220 attached , child_tidptr=0x55558099a650) = 5220 [pid 5220] set_robust_list(0x55558099a660, 24) = 0 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached ./strace-static-x86_64: Process 5221 attached [pid 5219] <... clone resumed>, child_tidptr=0x55558099a650) = 5221 [pid 5221] set_robust_list(0x55558099a660, 24 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] set_robust_list(0x55558099a660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x55558099a650) = 5222 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5223 attached [pid 5219] <... clone resumed>, child_tidptr=0x55558099a650) = 5223 [pid 5223] set_robust_list(0x55558099a660, 24 [pid 5222] setpgid(0, 0 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... setpgid resumed>) = 0 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached ./strace-static-x86_64: Process 5224 attached [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] <... clone resumed>, child_tidptr=0x55558099a650) = 5225 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached ./strace-static-x86_64: Process 5226 attached , child_tidptr=0x55558099a650) = 5226 [pid 5225] set_robust_list(0x55558099a660, 24 [pid 5224] set_robust_list(0x55558099a660, 24 [pid 5221] <... clone resumed>, child_tidptr=0x55558099a650) = 5224 [pid 5227] set_robust_list(0x55558099a660, 24 [pid 5226] set_robust_list(0x55558099a660, 24 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... clone resumed>, child_tidptr=0x55558099a650) = 5227 [pid 5222] <... openat resumed>) = 3 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5228 attached [pid 5227] <... prctl resumed>) = 0 [pid 5224] <... prctl resumed>) = 0 [pid 5222] write(3, "1000", 4./strace-static-x86_64: Process 5229 attached [pid 5228] set_robust_list(0x55558099a660, 24 [pid 5227] setpgid(0, 0 [pid 5224] setpgid(0, 0 [pid 5229] set_robust_list(0x55558099a660, 24 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] <... setpgid resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x55558099a650) = 5229 [pid 5224] <... setpgid resumed>) = 0 [pid 5222] <... write resumed>) = 4 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] <... clone resumed>, child_tidptr=0x55558099a650) = 5228 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] close(3 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5229] <... prctl resumed>) = 0 executing program [pid 5229] setpgid(0, 0 [pid 5228] <... prctl resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5224] write(3, "1000", 4 [pid 5222] write(1, "executing program\n", 18 [pid 5229] <... setpgid resumed>) = 0 [pid 5228] setpgid(0, 0 [pid 5222] <... write resumed>) = 18 [pid 5228] <... setpgid resumed>) = 0 [pid 5227] write(3, "1000", 4 [pid 5222] mkdirat(AT_FDCWD, "./file0", 000 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] <... write resumed>) = 4 [pid 5224] <... write resumed>) = 4 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] <... openat resumed>) = 3 [pid 5227] close(3 [pid 5224] close(3 [pid 5229] <... openat resumed>) = 3 [pid 5228] write(3, "1000", 4 [pid 5227] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 executing program [pid 5224] write(1, "executing program\n", 18 [pid 5222] <... mkdirat resumed>) = 0 [pid 5229] write(3, "1000", 4 [pid 5228] <... write resumed>) = 4 executing program [pid 5227] write(1, "executing program\n", 18 [pid 5224] <... write resumed>) = 18 [pid 5222] pipe2( [pid 5229] <... write resumed>) = 4 [pid 5228] close(3 [pid 5227] <... write resumed>) = 18 [pid 5224] mkdirat(AT_FDCWD, "./file0", 000 [pid 5222] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5229] close(3 [pid 5228] <... close resumed>) = 0 [pid 5224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5224] pipe2( [pid 5229] <... close resumed>) = 0 [pid 5228] write(1, "executing program\n", 18 [pid 5227] mkdirat(AT_FDCWD, "./file0", 000 [pid 5224] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5222] dup(4executing program executing program [pid 5229] write(1, "executing program\n", 18) = 18 [pid 5228] <... write resumed>) = 18 [pid 5227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5224] dup(4 [pid 5222] <... dup resumed>) = 5 [pid 5229] mkdirat(AT_FDCWD, "./file0", 000 [pid 5228] mkdirat(AT_FDCWD, "./file0", 000 [pid 5227] pipe2( [pid 5224] <... dup resumed>) = 5 [pid 5222] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005" [pid 5229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5227] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5224] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005" [pid 5229] pipe2( [pid 5228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5227] dup(4) = 5 [pid 5229] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5228] pipe2( [pid 5227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005" [pid 5228] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5229] dup(4) = 5 [pid 5229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005" [pid 5228] dup(4) = 5 [ 72.135766][ T5222] ------------[ cut here ]------------ [ 72.141580][ T5222] kmem_cache of name '9p-fcall-cache' already exists [ 72.151566][ T5222] WARNING: CPU: 0 PID: 5222 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 [ 72.161491][ T5222] Modules linked in: [ 72.165457][ T5222] CPU: 0 UID: 0 PID: 5222 Comm: syz-executor418 Not tainted 6.11.0-syzkaller-07337-g2004cef11ea0 #0 [ 72.176341][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 72.186510][ T5222] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 72.192787][ T5222] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 ee c7 d5 09 85 c0 75 e8 90 48 c7 c7 b6 41 09 8e 4c 89 fe e8 9a 1b 7c ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 48 c9 d5 09 48 85 c0 0f 85 [ 72.212593][ T5222] RSP: 0018:ffffc90003c4f788 EFLAGS: 00010246 [ 72.218753][ T5222] RAX: 310db6d1bf01ec00 RBX: ffff88814b455928 RCX: ffff88802c32bc00 [ 72.226896][ T5222] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.235017][ T5222] RBP: ffffffff8ea1dec0 R08: ffffffff8155bf72 R09: fffffbfff1cfa138 [ 72.243640][ T5222] R10: dffffc0000000000 R11: fffffbfff1cfa138 R12: 0000000000020018 [ 72.251719][ T5222] R13: 0000000000000000 R14: ffffc90003c4f860 R15: ffffffff8d2cad00 [ 72.259761][ T5222] FS: 000055558099a380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 72.268846][ T5222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.275460][ T5222] CR2: 0000000020001000 CR3: 0000000078fc4000 CR4: 00000000003506f0 [ 72.283656][ T5222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.291800][ T5222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.299836][ T5222] Call Trace: [ 72.303134][ T5222] [ 72.306181][ T5222] ? __warn+0x168/0x4e0 [ 72.310366][ T5222] ? __kmem_cache_create_args+0xa7/0x350 [ 72.316081][ T5222] ? report_bug+0x2b3/0x500 [ 72.320641][ T5222] ? __kmem_cache_create_args+0xa7/0x350 [ 72.326400][ T5222] ? handle_bug+0x60/0x90 [ 72.330780][ T5222] ? exc_invalid_op+0x1a/0x50 [ 72.335480][ T5222] ? asm_exc_invalid_op+0x1a/0x20 [ 72.340569][ T5222] ? __warn_printk+0x292/0x360 [ 72.345364][ T5222] ? __kmem_cache_create_args+0xa7/0x350 [ 72.351226][ T5222] ? __kmem_cache_create_args+0xa6/0x350 [ 72.356919][ T5222] p9_client_create+0xba5/0x1110 [ 72.361874][ T5222] ? __pfx_p9_client_create+0x10/0x10 [ 72.367321][ T5222] ? __asan_memset+0x23/0x50 [ 72.371952][ T5222] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 72.377877][ T5222] ? __raw_spin_lock_init+0x45/0x100 [ 72.383205][ T5222] v9fs_session_init+0x1e4/0x1b80 [ 72.388374][ T5222] ? __pfx_v9fs_session_init+0x10/0x10 [ 72.393897][ T5222] ? __kasan_kmalloc+0x98/0xb0 [ 72.398742][ T5222] ? v9fs_mount+0xb2/0xaa0 [ 72.403281][ T5222] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 72.408920][ T5222] v9fs_mount+0xcf/0xaa0 [ 72.413194][ T5222] ? __kasan_kmalloc+0x98/0xb0 [ 72.418113][ T5222] ? __pfx_v9fs_mount+0x10/0x10 [ 72.422990][ T5222] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 72.428625][ T5222] ? legacy_init_fs_context+0x7e/0xc0 [ 72.434038][ T5222] legacy_get_tree+0xee/0x190 [ 72.438849][ T5222] ? __pfx_v9fs_mount+0x10/0x10 [ 72.443745][ T5222] vfs_get_tree+0x90/0x2b0 [ 72.448266][ T5222] do_new_mount+0x2be/0xb40 [ 72.452820][ T5222] ? __pfx_do_new_mount+0x10/0x10 [ 72.457914][ T5222] __se_sys_mount+0x2d6/0x3c0 [ 72.462656][ T5222] ? __pfx___se_sys_mount+0x10/0x10 [ 72.467950][ T5222] ? exc_page_fault+0x590/0x8c0 [ 72.472836][ T5222] ? __x64_sys_mount+0x20/0xc0 [ 72.477686][ T5222] do_syscall_64+0xf3/0x230 [ 72.482225][ T5222] ? clear_bhb_loop+0x35/0x90 [ 72.487005][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.492930][ T5222] RIP: 0033:0x7f3adf1a2e29 [ 72.497424][ T5222] 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 [ 72.517127][ T5222] RSP: 002b:00007ffe75783178 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.525633][ T5222] RAX: ffffffffffffffda RBX: 00007f3adf1ec04e RCX: 00007f3adf1a2e29 [ 72.533680][ T5222] RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 [ 72.541781][ T5222] RBP: 00000000000f4240 R08: 0000000020000580 R09: 00000000000000a0 [ 72.549828][ T5222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 72.557867][ T5222] R13: 00007ffe75783398 R14: 00007ffe757831a0 R15: 00007ffe75783190 [ 72.565915][ T5222] [ 72.568967][ T5222] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.576249][ T5222] CPU: 0 UID: 0 PID: 5222 Comm: syz-executor418 Not tainted 6.11.0-syzkaller-07337-g2004cef11ea0 #0 [ 72.587007][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 72.597063][ T5222] Call Trace: [ 72.600341][ T5222] [ 72.603268][ T5222] dump_stack_lvl+0x241/0x360 [ 72.607994][ T5222] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.613201][ T5222] ? __pfx__printk+0x10/0x10 [ 72.617801][ T5222] ? vscnprintf+0x5d/0x90 [ 72.622148][ T5222] panic+0x349/0x880 [ 72.626062][ T5222] ? __warn+0x177/0x4e0 [ 72.630247][ T5222] ? __pfx_panic+0x10/0x10 [ 72.634686][ T5222] __warn+0x34b/0x4e0 [ 72.638675][ T5222] ? __kmem_cache_create_args+0xa7/0x350 [ 72.644342][ T5222] report_bug+0x2b3/0x500 [ 72.648769][ T5222] ? __kmem_cache_create_args+0xa7/0x350 [ 72.654417][ T5222] handle_bug+0x60/0x90 [ 72.658574][ T5222] exc_invalid_op+0x1a/0x50 [ 72.663081][ T5222] asm_exc_invalid_op+0x1a/0x20 [ 72.667943][ T5222] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 72.674191][ T5222] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 ee c7 d5 09 85 c0 75 e8 90 48 c7 c7 b6 41 09 8e 4c 89 fe e8 9a 1b 7c ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 48 c9 d5 09 48 85 c0 0f 85 [ 72.693804][ T5222] RSP: 0018:ffffc90003c4f788 EFLAGS: 00010246 [ 72.699896][ T5222] RAX: 310db6d1bf01ec00 RBX: ffff88814b455928 RCX: ffff88802c32bc00 [ 72.707874][ T5222] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.715886][ T5222] RBP: ffffffff8ea1dec0 R08: ffffffff8155bf72 R09: fffffbfff1cfa138 [ 72.723862][ T5222] R10: dffffc0000000000 R11: fffffbfff1cfa138 R12: 0000000000020018 [ 72.731927][ T5222] R13: 0000000000000000 R14: ffffc90003c4f860 R15: ffffffff8d2cad00 [ 72.739919][ T5222] ? __warn_printk+0x292/0x360 [ 72.744700][ T5222] ? __kmem_cache_create_args+0xa6/0x350 [ 72.750345][ T5222] p9_client_create+0xba5/0x1110 [ 72.755309][ T5222] ? __pfx_p9_client_create+0x10/0x10 [ 72.760778][ T5222] ? __asan_memset+0x23/0x50 [ 72.765389][ T5222] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 72.771230][ T5222] ? __raw_spin_lock_init+0x45/0x100 [ 72.776552][ T5222] v9fs_session_init+0x1e4/0x1b80 [ 72.781622][ T5222] ? __pfx_v9fs_session_init+0x10/0x10 [ 72.787097][ T5222] ? __kasan_kmalloc+0x98/0xb0 [ 72.791864][ T5222] ? v9fs_mount+0xb2/0xaa0 [ 72.796292][ T5222] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 72.801854][ T5222] v9fs_mount+0xcf/0xaa0 [ 72.806114][ T5222] ? __kasan_kmalloc+0x98/0xb0 [ 72.810886][ T5222] ? __pfx_v9fs_mount+0x10/0x10 [ 72.815742][ T5222] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 72.821300][ T5222] ? legacy_init_fs_context+0x7e/0xc0 [ 72.826691][ T5222] legacy_get_tree+0xee/0x190 [ 72.831384][ T5222] ? __pfx_v9fs_mount+0x10/0x10 [ 72.836246][ T5222] vfs_get_tree+0x90/0x2b0 [ 72.840684][ T5222] do_new_mount+0x2be/0xb40 [ 72.845206][ T5222] ? __pfx_do_new_mount+0x10/0x10 [ 72.850254][ T5222] __se_sys_mount+0x2d6/0x3c0 [ 72.854970][ T5222] ? __pfx___se_sys_mount+0x10/0x10 [ 72.860204][ T5222] ? exc_page_fault+0x590/0x8c0 [ 72.865080][ T5222] ? __x64_sys_mount+0x20/0xc0 [ 72.869858][ T5222] do_syscall_64+0xf3/0x230 [ 72.874380][ T5222] ? clear_bhb_loop+0x35/0x90 [ 72.879071][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.884977][ T5222] RIP: 0033:0x7f3adf1a2e29 [ 72.889394][ T5222] 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 [ 72.909438][ T5222] RSP: 002b:00007ffe75783178 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.917874][ T5222] RAX: ffffffffffffffda RBX: 00007f3adf1ec04e RCX: 00007f3adf1a2e29 [ 72.925849][ T5222] RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 [ 72.933819][ T5222] RBP: 00000000000f4240 R08: 0000000020000580 R09: 00000000000000a0 [ 72.941789][ T5222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 72.949760][ T5222] R13: 00007ffe75783398 R14: 00007ffe757831a0 R15: 00007ffe75783190 [ 72.957837][ T5222] [ 72.961138][ T5222] Kernel Offset: disabled [ 72.965553][ T5222] Rebooting in 86400 seconds..