./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2892921052 <...> Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. execve("./syz-executor2892921052", ["./syz-executor2892921052"], 0x7ffe1fa38210 /* 10 vars */) = 0 brk(NULL) = 0x5555916cf000 brk(0x5555916cfd00) = 0x5555916cfd00 arch_prctl(ARCH_SET_FS, 0x5555916cf380) = 0 set_tid_address(0x5555916cf650) = 5185 set_robust_list(0x5555916cf660, 24) = 0 rseq(0x5555916cfca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2892921052", 4096) = 28 getrandom("\x65\x99\xfa\x25\xf6\x3f\xa0\xd0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555916cfd00 brk(0x5555916f0d00) = 0x5555916f0d00 brk(0x5555916f1000) = 0x5555916f1000 mprotect(0x7f3d40ff1000, 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, child_tidptr=0x5555916cf650) = 5186 ./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x5555916cf660, 24) = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3executing program ) = 0 [pid 5186] write(1, "executing program\n", 18) = 18 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3d38a00000 [pid 5186] 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 5186] munmap(0x7f3d38a00000, 138412032) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5186] close(3) = 0 [pid 5186] close(4) = 0 [pid 5186] mkdir("./file0", 0777) = 0 [ 186.774069][ T5186] loop0: detected capacity change from 0 to 32768 [ 186.809831][ T5186] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 186.818509][ T5186] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 186.838182][ T5186] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 1 19, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 399 [ 186.852865][ T5186] 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 [ 186.862646][ T5186] gfs2: fsid=syz:syz.0: H: s:SH f:eEcH e:0 p:0 [(none)] init_inodes+0x125/0x510 [ 186.872349][ T5186] ===================================================== [ 186.879888][ T5186] BUG: KMSAN: uninit-value in inode_go_dump+0x475/0x4b0 [ 186.887101][ T5186] inode_go_dump+0x475/0x4b0 [ 186.892076][ T5186] gfs2_dump_glock+0x221c/0x2340 [ 186.897272][ T5186] gfs2_consist_inode_i+0x19f/0x230 [ 186.902894][ T5186] gfs2_inode_refresh+0x12d7/0x1590 [ 186.908498][ T5186] inode_go_instantiate+0x6e/0xc0 [ 186.913781][ T5186] gfs2_instantiate+0x272/0x4c0 [ 186.919062][ T5186] gfs2_glock_wait+0x2a4/0x3e0 [ 186.924049][ T5186] gfs2_glock_nq+0x2777/0x34b0 [ 186.929152][ T5186] init_journal+0x12cc/0x3a40 [ 186.934112][ T5186] init_inodes+0x125/0x510 [ 186.939010][ T5186] gfs2_fill_super+0x3a8b/0x45a0 [ 186.944211][ T5186] get_tree_bdev+0x684/0x890 [ 186.949043][ T5186] gfs2_get_tree+0x5c/0x340 [ 186.953791][ T5186] vfs_get_tree+0xb1/0x5a0 [ 186.958558][ T5186] do_new_mount+0x71f/0x15e0 [ 186.963523][ T5186] path_mount+0x742/0x1f10 [ 186.968177][ T5186] __se_sys_mount+0x722/0x810 [ 186.973096][ T5186] __x64_sys_mount+0xe4/0x150 [ 186.978055][ T5186] x64_sys_call+0x255a/0x3ba0 [ 186.982997][ T5186] do_syscall_64+0xcd/0x1e0 [ 186.987879][ T5186] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.994049][ T5186] [ 186.996454][ T5186] Uninit was created at: [ 187.001093][ T5186] __alloc_pages_noprof+0x9d6/0xe70 [ 187.006502][ T5186] alloc_pages_mpol_noprof+0x299/0x990 [ 187.012241][ T5186] alloc_pages_noprof+0x1bf/0x1e0 [ 187.017591][ T5186] allocate_slab+0x33a/0x1250 [ 187.022494][ T5186] ___slab_alloc+0x12ef/0x35e0 [ 187.027534][ T5186] kmem_cache_alloc_lru_noprof+0x584/0xb30 [ 187.033567][ T5186] gfs2_alloc_inode+0x66/0x210 [ 187.038629][ T5186] alloc_inode+0x86/0x460 [ 187.043150][ T5186] iget5_locked+0xa9/0x1d0 [ 187.047793][ T5186] gfs2_inode_lookup+0xbe/0x1440 [ 187.052988][ T5186] init_sb+0xd71/0x1780 [ 187.057561][ T5186] gfs2_fill_super+0x33f2/0x45a0 [ 187.062733][ T5186] get_tree_bdev+0x684/0x890 [ 187.067613][ T5186] gfs2_get_tree+0x5c/0x340 [ 187.072352][ T5186] vfs_get_tree+0xb1/0x5a0 [ 187.076898][ T5186] do_new_mount+0x71f/0x15e0 [ 187.081729][ T5186] path_mount+0x742/0x1f10 [ 187.086320][ T5186] __se_sys_mount+0x722/0x810 [ 187.091226][ T5186] __x64_sys_mount+0xe4/0x150 [ 187.096100][ T5186] x64_sys_call+0x255a/0x3ba0 [ 187.101002][ T5186] do_syscall_64+0xcd/0x1e0 [ 187.105690][ T5186] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 187.111877][ T5186] [ 187.114301][ T5186] CPU: 1 UID: 0 PID: 5186 Comm: syz-executor289 Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0 [ 187.125386][ T5186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 187.135643][ T5186] ===================================================== [ 187.142731][ T5186] Disabling lock debugging due to kernel taint [ 187.149075][ T5186] Kernel panic - not syncing: kmsan.panic set ... [ 187.155570][ T5186] CPU: 1 UID: 0 PID: 5186 Comm: syz-executor289 Tainted: G B 6.11.0-syzkaller-11728-gad46e8f95e93 #0 [ 187.168027][ T5186] Tainted: [B]=BAD_PAGE [ 187.172282][ T5186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 187.182430][ T5186] Call Trace: [ 187.185777][ T5186] [ 187.188772][ T5186] dump_stack_lvl+0x216/0x2d0 [ 187.193580][ T5186] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 187.199556][ T5186] dump_stack+0x1e/0x30 [ 187.203870][ T5186] panic+0x4e2/0xcf0 [ 187.207896][ T5186] ? kmsan_get_metadata+0xb1/0x1c0 [ 187.213197][ T5186] kmsan_report+0x2c7/0x2d0 [ 187.217934][ T5186] ? __msan_warning+0x95/0x120 [ 187.222843][ T5186] ? inode_go_dump+0x475/0x4b0 [ 187.227742][ T5186] ? gfs2_dump_glock+0x221c/0x2340 [ 187.233015][ T5186] ? gfs2_consist_inode_i+0x19f/0x230 [ 187.238552][ T5186] ? gfs2_inode_refresh+0x12d7/0x1590 [ 187.244049][ T5186] ? inode_go_instantiate+0x6e/0xc0 [ 187.249404][ T5186] ? gfs2_instantiate+0x272/0x4c0 [ 187.254589][ T5186] ? gfs2_glock_wait+0x2a4/0x3e0 [ 187.259664][ T5186] ? gfs2_glock_nq+0x2777/0x34b0 [ 187.264786][ T5186] ? init_journal+0x12cc/0x3a40 [ 187.269776][ T5186] ? init_inodes+0x125/0x510 [ 187.274514][ T5186] ? gfs2_fill_super+0x3a8b/0x45a0 [ 187.279768][ T5186] ? get_tree_bdev+0x684/0x890 [ 187.284675][ T5186] ? gfs2_get_tree+0x5c/0x340 [ 187.289490][ T5186] ? vfs_get_tree+0xb1/0x5a0 [ 187.294248][ T5186] ? do_new_mount+0x71f/0x15e0 [ 187.299295][ T5186] ? path_mount+0x742/0x1f10 [ 187.304037][ T5186] ? __se_sys_mount+0x722/0x810 [ 187.309020][ T5186] ? __x64_sys_mount+0xe4/0x150 [ 187.314023][ T5186] ? x64_sys_call+0x255a/0x3ba0 [ 187.319009][ T5186] ? do_syscall_64+0xcd/0x1e0 [ 187.323824][ T5186] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 187.330180][ T5186] ? kmsan_get_metadata+0x13e/0x1c0 [ 187.335557][ T5186] ? gfs2_print_dbg+0x24c/0x260 [ 187.340585][ T5186] ? kmsan_get_metadata+0x13e/0x1c0 [ 187.346015][ T5186] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 187.352018][ T5186] __msan_warning+0x95/0x120 [ 187.356817][ T5186] inode_go_dump+0x475/0x4b0 [ 187.361557][ T5186] ? __pfx_inode_go_dump+0x10/0x10 [ 187.366809][ T5186] gfs2_dump_glock+0x221c/0x2340 [ 187.371917][ T5186] ? gfs2_lm+0x32a/0x330 [ 187.376305][ T5186] gfs2_consist_inode_i+0x19f/0x230 [ 187.381657][ T5186] gfs2_inode_refresh+0x12d7/0x1590 [ 187.387021][ T5186] ? queue_delayed_work_on+0x246/0x350 [ 187.392658][ T5186] inode_go_instantiate+0x6e/0xc0 [ 187.397859][ T5186] ? __pfx_inode_go_instantiate+0x10/0x10 [ 187.403826][ T5186] gfs2_instantiate+0x272/0x4c0 [ 187.408872][ T5186] gfs2_glock_wait+0x2a4/0x3e0 [ 187.413841][ T5186] gfs2_glock_nq+0x2777/0x34b0 [ 187.418741][ T5186] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 187.425263][ T5186] init_journal+0x12cc/0x3a40 [ 187.430165][ T5186] ? init_inodes+0x125/0x510 [ 187.434929][ T5186] ? init_inodes+0x125/0x510 [ 187.439689][ T5186] init_inodes+0x125/0x510 [ 187.444305][ T5186] gfs2_fill_super+0x3a8b/0x45a0 [ 187.449963][ T5186] ? kmsan_get_metadata+0x13e/0x1c0 [ 187.455390][ T5186] ? setup_bdev_super+0xa2c/0xa90 [ 187.460647][ T5186] ? init_locking+0xf0/0x510 [ 187.465403][ T5186] get_tree_bdev+0x684/0x890 [ 187.470156][ T5186] ? __pfx_gfs2_fill_super+0x10/0x10 [ 187.475613][ T5186] gfs2_get_tree+0x5c/0x340 [ 187.480280][ T5186] ? __pfx_gfs2_get_tree+0x10/0x10 [ 187.485556][ T5186] vfs_get_tree+0xb1/0x5a0 [ 187.490150][ T5186] ? mount_capable+0x97/0x120 [ 187.495061][ T5186] do_new_mount+0x71f/0x15e0 [ 187.499813][ T5186] ? kmsan_get_metadata+0x13e/0x1c0 [ 187.505211][ T5186] path_mount+0x742/0x1f10 [ 187.509813][ T5186] ? user_path_at+0x32f/0x390 [ 187.514668][ T5186] __se_sys_mount+0x722/0x810 [ 187.519525][ T5186] ? ptrace_notify+0x263/0x320 [ 187.524446][ T5186] __x64_sys_mount+0xe4/0x150 [ 187.529281][ T5186] x64_sys_call+0x255a/0x3ba0 [ 187.534121][ T5186] do_syscall_64+0xcd/0x1e0 [ 187.538799][ T5186] ? clear_bhb_loop+0x25/0x80 [ 187.543599][ T5186] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 187.549704][ T5186] RIP: 0033:0x7f3d40f6cdaa [ 187.554250][ T5186] 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 [ 187.574016][ T5186] RSP: 002b:00007ffdd56d75f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 187.582602][ T5186] RAX: ffffffffffffffda RBX: 00007ffdd56d7600 RCX: 00007f3d40f6cdaa [ 187.590799][ T5186] RDX: 0000000020012580 RSI: 0000000020012500 RDI: 00007ffdd56d7600 [ 187.598886][ T5186] RBP: 0000000000000004 R08: 00007ffdd56d7640 R09: 0000000000012525 [ 187.606992][ T5186] R10: 0000000000000011 R11: 0000000000000282 R12: 00007ffdd56d7640 [ 187.615126][ T5186] R13: 0000000000000003 R14: 0000000001000000 R15: 00007f3d40fb403b [ 187.623229][ T5186] [ 187.626677][ T5186] Kernel Offset: disabled [ 187.631093][ T5186] Rebooting in 86400 seconds..