./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor574176130 <...> Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. execve("./syz-executor574176130", ["./syz-executor574176130"], 0x7ffe77c125b0 /* 10 vars */) = 0 brk(NULL) = 0x555568f2f000 brk(0x555568f2fd00) = 0x555568f2fd00 arch_prctl(ARCH_SET_FS, 0x555568f2f380) = 0 set_tid_address(0x555568f2f650) = 5181 set_robust_list(0x555568f2f660, 24) = 0 rseq(0x555568f2fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor574176130", 4096) = 27 getrandom("\x4b\x57\x54\xfc\x63\x0c\xec\xe6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555568f2fd00 brk(0x555568f50d00) = 0x555568f50d00 brk(0x555568f51000) = 0x555568f51000 mprotect(0x7f681db87000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached , child_tidptr=0x555568f2f650) = 5182 [pid 5182] set_robust_list(0x555568f2f660, 24) = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5182] setpgid(0, 0) = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5182] write(3, "1000", 4) = 4 [pid 5182] close(3) = 0 [pid 5182] write(1, "executing program\n", 18) = 18 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6815600000 [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5182] munmap(0x7f6815600000, 138412032) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5182] close(3) = 0 [pid 5182] close(4) = 0 [pid 5182] mkdir("./file0", 0777) = 0 [ 194.938377][ T5182] loop0: detected capacity change from 0 to 32768 [ 194.988427][ T5182] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 194.997136][ T5182] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 195.018439][ T5182] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 1 19, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 399 [ 195.033515][ T5182] gfs2: fsid=syz:syz.0: G: s:SH n:2/13 f:aqobnN t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 195.043375][ T5182] gfs2: fsid=syz:syz.0: H: s:SH f:eEcH e:0 p:0 [(none)] init_inodes+0x125/0x510 [ 195.053202][ T5182] ===================================================== [ 195.060487][ T5182] BUG: KMSAN: uninit-value in inode_go_dump+0x475/0x4b0 [ 195.067850][ T5182] inode_go_dump+0x475/0x4b0 [ 195.072809][ T5182] gfs2_dump_glock+0x221c/0x2340 [ 195.078064][ T5182] gfs2_consist_inode_i+0x19f/0x230 [ 195.083786][ T5182] gfs2_inode_refresh+0x12d7/0x1590 [ 195.089266][ T5182] inode_go_instantiate+0x6e/0xc0 [ 195.095527][ T5182] gfs2_instantiate+0x272/0x4c0 [ 195.100684][ T5182] gfs2_glock_wait+0x2a4/0x3e0 [ 195.105808][ T5182] gfs2_glock_nq+0x2777/0x34b0 [ 195.110799][ T5182] init_journal+0x12cc/0x3a40 [ 195.115849][ T5182] init_inodes+0x125/0x510 [ 195.120538][ T5182] gfs2_fill_super+0x3a8b/0x45a0 [ 195.125914][ T5182] get_tree_bdev+0x684/0x890 [ 195.130749][ T5182] gfs2_get_tree+0x5c/0x340 [ 195.135619][ T5182] vfs_get_tree+0xb1/0x5a0 [ 195.140259][ T5182] do_new_mount+0x71f/0x15e0 [ 195.145186][ T5182] path_mount+0x742/0x1f10 [ 195.149831][ T5182] __se_sys_mount+0x722/0x810 [ 195.154926][ T5182] __x64_sys_mount+0xe4/0x150 [ 195.159847][ T5182] x64_sys_call+0x255a/0x3ba0 [ 195.164863][ T5182] do_syscall_64+0xcd/0x1e0 [ 195.169654][ T5182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.175955][ T5182] [ 195.178413][ T5182] Uninit was created at: [ 195.183118][ T5182] __alloc_pages_noprof+0x9d6/0xe70 [ 195.188552][ T5182] alloc_pages_mpol_noprof+0x299/0x990 [ 195.194417][ T5182] alloc_pages_noprof+0x1bf/0x1e0 [ 195.199656][ T5182] allocate_slab+0x33a/0x1250 [ 195.204612][ T5182] ___slab_alloc+0x12ef/0x35e0 [ 195.209637][ T5182] kmem_cache_alloc_lru_noprof+0x584/0xb30 [ 195.215769][ T5182] gfs2_alloc_inode+0x66/0x210 [ 195.220747][ T5182] alloc_inode+0x86/0x460 [ 195.225426][ T5182] iget5_locked+0xa9/0x1d0 [ 195.230079][ T5182] gfs2_inode_lookup+0xbe/0x1440 [ 195.235405][ T5182] init_sb+0xd71/0x1780 [ 195.239813][ T5182] gfs2_fill_super+0x33f2/0x45a0 [ 195.245135][ T5182] get_tree_bdev+0x684/0x890 [ 195.249951][ T5182] gfs2_get_tree+0x5c/0x340 [ 195.254745][ T5182] vfs_get_tree+0xb1/0x5a0 [ 195.259392][ T5182] do_new_mount+0x71f/0x15e0 [ 195.264259][ T5182] path_mount+0x742/0x1f10 [ 195.268916][ T5182] __se_sys_mount+0x722/0x810 [ 195.273955][ T5182] __x64_sys_mount+0xe4/0x150 [ 195.278860][ T5182] x64_sys_call+0x255a/0x3ba0 [ 195.283823][ T5182] do_syscall_64+0xcd/0x1e0 [ 195.288576][ T5182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.294874][ T5182] [ 195.297338][ T5182] CPU: 1 UID: 0 PID: 5182 Comm: syz-executor574 Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0 [ 195.308399][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 195.318764][ T5182] ===================================================== [ 195.325975][ T5182] Disabling lock debugging due to kernel taint [ 195.332353][ T5182] Kernel panic - not syncing: kmsan.panic set ... [ 195.338895][ T5182] CPU: 1 UID: 0 PID: 5182 Comm: syz-executor574 Tainted: G B 6.11.0-syzkaller-11728-gad46e8f95e93 #0 [ 195.351344][ T5182] Tainted: [B]=BAD_PAGE [ 195.355611][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 195.365805][ T5182] Call Trace: [ 195.369212][ T5182] [ 195.372291][ T5182] dump_stack_lvl+0x216/0x2d0 [ 195.377126][ T5182] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 195.383136][ T5182] dump_stack+0x1e/0x30 [ 195.387438][ T5182] panic+0x4e2/0xcf0 [ 195.391496][ T5182] ? kmsan_get_metadata+0xb1/0x1c0 [ 195.396875][ T5182] kmsan_report+0x2c7/0x2d0 [ 195.401622][ T5182] ? __msan_warning+0x95/0x120 [ 195.406623][ T5182] ? inode_go_dump+0x475/0x4b0 [ 195.411566][ T5182] ? gfs2_dump_glock+0x221c/0x2340 [ 195.416937][ T5182] ? gfs2_consist_inode_i+0x19f/0x230 [ 195.422487][ T5182] ? gfs2_inode_refresh+0x12d7/0x1590 [ 195.428060][ T5182] ? inode_go_instantiate+0x6e/0xc0 [ 195.433787][ T5182] ? gfs2_instantiate+0x272/0x4c0 [ 195.439127][ T5182] ? gfs2_glock_wait+0x2a4/0x3e0 [ 195.444284][ T5182] ? gfs2_glock_nq+0x2777/0x34b0 [ 195.449362][ T5182] ? init_journal+0x12cc/0x3a40 [ 195.454386][ T5182] ? init_inodes+0x125/0x510 [ 195.459147][ T5182] ? gfs2_fill_super+0x3a8b/0x45a0 [ 195.464432][ T5182] ? get_tree_bdev+0x684/0x890 [ 195.469347][ T5182] ? gfs2_get_tree+0x5c/0x340 [ 195.474215][ T5182] ? vfs_get_tree+0xb1/0x5a0 [ 195.479034][ T5182] ? do_new_mount+0x71f/0x15e0 [ 195.483965][ T5182] ? path_mount+0x742/0x1f10 [ 195.488698][ T5182] ? __se_sys_mount+0x722/0x810 [ 195.493708][ T5182] ? __x64_sys_mount+0xe4/0x150 [ 195.498723][ T5182] ? x64_sys_call+0x255a/0x3ba0 [ 195.503743][ T5182] ? do_syscall_64+0xcd/0x1e0 [ 195.508777][ T5182] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.515139][ T5182] ? kmsan_get_metadata+0x13e/0x1c0 [ 195.520558][ T5182] ? gfs2_print_dbg+0x24c/0x260 [ 195.525619][ T5182] ? kmsan_get_metadata+0x13e/0x1c0 [ 195.530997][ T5182] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 195.537019][ T5182] __msan_warning+0x95/0x120 [ 195.541818][ T5182] inode_go_dump+0x475/0x4b0 [ 195.546686][ T5182] ? __pfx_inode_go_dump+0x10/0x10 [ 195.552366][ T5182] gfs2_dump_glock+0x221c/0x2340 [ 195.557518][ T5182] ? gfs2_lm+0x32a/0x330 [ 195.562001][ T5182] gfs2_consist_inode_i+0x19f/0x230 [ 195.567520][ T5182] gfs2_inode_refresh+0x12d7/0x1590 [ 195.572993][ T5182] ? queue_delayed_work_on+0x246/0x350 [ 195.578705][ T5182] inode_go_instantiate+0x6e/0xc0 [ 195.584010][ T5182] ? __pfx_inode_go_instantiate+0x10/0x10 [ 195.589915][ T5182] gfs2_instantiate+0x272/0x4c0 [ 195.595000][ T5182] gfs2_glock_wait+0x2a4/0x3e0 [ 195.599990][ T5182] gfs2_glock_nq+0x2777/0x34b0 [ 195.604907][ T5182] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 195.611524][ T5182] init_journal+0x12cc/0x3a40 [ 195.616449][ T5182] ? init_inodes+0x125/0x510 [ 195.621235][ T5182] ? init_inodes+0x125/0x510 [ 195.626026][ T5182] init_inodes+0x125/0x510 [ 195.630700][ T5182] gfs2_fill_super+0x3a8b/0x45a0 [ 195.635831][ T5182] ? kmsan_get_metadata+0x13e/0x1c0 [ 195.641255][ T5182] ? setup_bdev_super+0xa2c/0xa90 [ 195.646457][ T5182] ? init_locking+0xf0/0x510 [ 195.651248][ T5182] get_tree_bdev+0x684/0x890 [ 195.656084][ T5182] ? __pfx_gfs2_fill_super+0x10/0x10 [ 195.661614][ T5182] gfs2_get_tree+0x5c/0x340 [ 195.666372][ T5182] ? __pfx_gfs2_get_tree+0x10/0x10 [ 195.671711][ T5182] vfs_get_tree+0xb1/0x5a0 [ 195.676379][ T5182] ? mount_capable+0x97/0x120 [ 195.681210][ T5182] do_new_mount+0x71f/0x15e0 [ 195.685966][ T5182] ? kmsan_get_metadata+0x13e/0x1c0 [ 195.691382][ T5182] path_mount+0x742/0x1f10 [ 195.695990][ T5182] ? user_path_at+0x32f/0x390 [ 195.700884][ T5182] __se_sys_mount+0x722/0x810 [ 195.705741][ T5182] ? ptrace_notify+0x263/0x320 [ 195.710699][ T5182] __x64_sys_mount+0xe4/0x150 [ 195.715588][ T5182] x64_sys_call+0x255a/0x3ba0 [ 195.720469][ T5182] do_syscall_64+0xcd/0x1e0 [ 195.725193][ T5182] ? clear_bhb_loop+0x25/0x80 [ 195.730009][ T5182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.736112][ T5182] RIP: 0033:0x7f681db02daa [ 195.740650][ T5182] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 195.760430][ T5182] RSP: 002b:00007fff3ca901c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 195.769027][ T5182] RAX: ffffffffffffffda RBX: 00007fff3ca901d0 RCX: 00007f681db02daa [ 195.777260][ T5182] RDX: 0000000020012580 RSI: 0000000020012500 RDI: 00007fff3ca901d0 [ 195.785442][ T5182] RBP: 0000000000000004 R08: 00007fff3ca90210 R09: 0000000000012525 [ 195.793572][ T5182] R10: 0000000000000011 R11: 0000000000000282 R12: 00007fff3ca90210 [ 195.801708][ T5182] R13: 0000000000000003 R14: 0000000001000000 R15: 00007f681db4a03b [ 195.809921][ T5182] [ 195.813460][ T5182] Kernel Offset: disabled [ 195.817897][ T5182] Rebooting in 86400 seconds..