./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1017922203 <...> Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts. execve("./syz-executor1017922203", ["./syz-executor1017922203"], 0x7ffd41283cf0 /* 10 vars */) = 0 brk(NULL) = 0x5555802fd000 brk(0x5555802fdd40) = 0x5555802fdd40 arch_prctl(ARCH_SET_FS, 0x5555802fd3c0) = 0 set_tid_address(0x5555802fd690) = 5780 set_robust_list(0x5555802fd6a0, 24) = 0 rseq(0x5555802fdce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1017922203", 4096) = 28 getrandom("\x13\x26\x62\x94\x67\xfd\x0b\x84", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555802fdd40 brk(0x55558031ed40) = 0x55558031ed40 brk(0x55558031f000) = 0x55558031f000 mprotect(0x7f1a5f802000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 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=0x5555802fd690) = 5781 ./strace-static-x86_64: Process 5781 attached [pid 5781] set_robust_list(0x5555802fd6a0, 24) = 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] write(1, "executing program\n", 18) = 18 [pid 5781] futex(0x7f1a5f8085ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] rt_sigaction(SIGRT_1, {sa_handler=0x7f1a5f7a1230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1a5f7928e0}, NULL, 8) = 0 [pid 5781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1a5f712000 [pid 5781] mprotect(0x7f1a5f713000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1a5f732990, parent_tid=0x7f1a5f732990, exit_signal=0, stack=0x7f1a5f712000, stack_size=0x20300, tls=0x7f1a5f7326c0}./strace-static-x86_64: Process 5782 attached [pid 5782] rseq(0x7f1a5f732fe0, 0x20, 0, 0x53053053 [pid 5781] <... clone3 resumed> => {parent_tid=[5782]}, 88) = 5782 [pid 5782] <... rseq resumed>) = 0 [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] set_robust_list(0x7f1a5f7329a0, 24 [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5781] futex(0x7f1a5f8085e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 5781] <... futex resumed>) = 0 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5781] futex(0x7f1a5f8085ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5782] memfd_create("syzkaller", 0) = 3 [pid 5782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1a57200000 [pid 5782] 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 5782] munmap(0x7f1a57200000, 138412032) = 0 [pid 5782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5782] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5782] close(3) = 0 [pid 5782] close(4) = 0 [pid 5782] mkdir("./file1", 0777) = 0 [ 207.984158][ T5782] loop0: detected capacity change from 0 to 32768 [ 208.149820][ T5782] bcachefs (loop0): starting version 1.1023: (unknown version) opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4:2,nopromote_whole_extents,nojournal_transaction_names,allocator_stuck_timeout=0 [ 208.171823][ T5782] bcachefs (loop0): initializing new filesystem [ 208.184091][ T5782] bcachefs (loop0): going read-write [ 208.192991][ T5782] bcachefs (loop0): marking superblocks [ 208.226930][ T5782] ===================================================== [ 208.234378][ T5782] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 208.241821][ T5782] rw_aux_tree_set+0x4d2/0x580 [ 208.246916][ T5782] rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.252672][ T5782] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.258860][ T5782] bch2_bset_insert+0x1621/0x19f0 [ 208.264177][ T5782] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.270275][ T5782] bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.276397][ T5782] __bch2_trans_commit+0xbbb7/0xd310 [ 208.281950][ T5782] bch2_trans_mark_metadata_bucket+0x63b/0x1eb0 [ 208.288682][ T5782] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.294797][ T5782] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.300975][ T5782] bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.306571][ T5782] bch2_fs_initialize+0x19cd/0x2f90 [ 208.311999][ T5782] bch2_fs_start+0x792/0xc20 [ 208.317002][ T5782] bch2_fs_get_tree+0x143a/0x2330 [ 208.322248][ T5782] vfs_get_tree+0xb1/0x5a0 [ 208.326904][ T5782] do_new_mount+0x71f/0x15e0 [ 208.331797][ T5782] path_mount+0x742/0x1f10 [ 208.336558][ T5782] __se_sys_mount+0x71f/0x800 [ 208.341433][ T5782] __x64_sys_mount+0xe4/0x150 [ 208.346409][ T5782] x64_sys_call+0x39bf/0x3c30 [ 208.351321][ T5782] do_syscall_64+0xcd/0x1e0 [ 208.356208][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.362515][ T5782] [ 208.365036][ T5782] Uninit was created at: [ 208.369709][ T5782] ___kmalloc_large_node+0x22c/0x370 [ 208.375602][ T5782] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 208.381619][ T5782] __kmalloc_node_noprof+0xc96/0x1250 [ 208.387498][ T5782] __kvmalloc_node_noprof+0xc0/0x2d0 [ 208.393025][ T5782] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 208.399244][ T5782] bch2_fs_btree_cache_init+0x4f0/0xb60 [ 208.405247][ T5782] bch2_fs_open+0x4b24/0x59c0 [ 208.410270][ T5782] bch2_fs_get_tree+0x986/0x2330 [ 208.415614][ T5782] vfs_get_tree+0xb1/0x5a0 [ 208.420378][ T5782] do_new_mount+0x71f/0x15e0 [ 208.425325][ T5782] path_mount+0x742/0x1f10 [ 208.430157][ T5782] __se_sys_mount+0x71f/0x800 [ 208.435197][ T5782] __x64_sys_mount+0xe4/0x150 [ 208.440073][ T5782] x64_sys_call+0x39bf/0x3c30 [ 208.445019][ T5782] do_syscall_64+0xcd/0x1e0 [ 208.449710][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.457655][ T5782] [ 208.460083][ T5782] CPU: 1 UID: 0 PID: 5782 Comm: syz-executor101 Not tainted 6.14.0-rc1-syzkaller-00028-g5c8c229261f1 #0 [ 208.471475][ T5782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 208.482111][ T5782] ===================================================== [ 208.489416][ T5782] Disabling lock debugging due to kernel taint [ 208.495991][ T5782] Kernel panic - not syncing: kmsan.panic set ... [ 208.502525][ T5782] CPU: 1 UID: 0 PID: 5782 Comm: syz-executor101 Tainted: G B 6.14.0-rc1-syzkaller-00028-g5c8c229261f1 #0 [ 208.515509][ T5782] Tainted: [B]=BAD_PAGE [ 208.519766][ T5782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 208.530149][ T5782] Call Trace: [ 208.533610][ T5782] [ 208.536729][ T5782] dump_stack_lvl+0x216/0x2d0 [ 208.541609][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.547695][ T5782] dump_stack+0x1e/0x24 [ 208.552028][ T5782] panic+0x4e2/0xcf0 [ 208.556100][ T5782] ? kmsan_get_metadata+0x81/0x1c0 [ 208.561513][ T5782] kmsan_report+0x2c7/0x2d0 [ 208.566155][ T5782] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 208.572244][ T5782] ? __msan_warning+0x95/0x120 [ 208.577196][ T5782] ? rw_aux_tree_set+0x4d2/0x580 [ 208.582371][ T5782] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.588302][ T5782] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.594449][ T5782] ? bch2_bset_insert+0x1621/0x19f0 [ 208.599854][ T5782] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.606064][ T5782] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.612286][ T5782] ? __bch2_trans_commit+0xbbb7/0xd310 [ 208.618010][ T5782] ? bch2_trans_mark_metadata_bucket+0x63b/0x1eb0 [ 208.624864][ T5782] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.630886][ T5782] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.637247][ T5782] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.643143][ T5782] ? bch2_fs_initialize+0x19cd/0x2f90 [ 208.648694][ T5782] ? bch2_fs_start+0x792/0xc20 [ 208.653654][ T5782] ? bch2_fs_get_tree+0x143a/0x2330 [ 208.659074][ T5782] ? vfs_get_tree+0xb1/0x5a0 [ 208.663910][ T5782] ? do_new_mount+0x71f/0x15e0 [ 208.668932][ T5782] ? path_mount+0x742/0x1f10 [ 208.673838][ T5782] ? __se_sys_mount+0x71f/0x800 [ 208.678907][ T5782] ? __x64_sys_mount+0xe4/0x150 [ 208.684104][ T5782] ? x64_sys_call+0x39bf/0x3c30 [ 208.689180][ T5782] ? do_syscall_64+0xcd/0x1e0 [ 208.694068][ T5782] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.700342][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.706691][ T5782] ? rw_aux_tree_set+0x3f/0x580 [ 208.711830][ T5782] ? filter_irq_stacks+0x60/0x1a0 [ 208.717088][ T5782] ? stack_depot_save_flags+0x2c/0x750 [ 208.722714][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.728130][ T5782] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 208.734683][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.740167][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.746139][ T5782] __msan_warning+0x95/0x120 [ 208.750878][ T5782] rw_aux_tree_set+0x4d2/0x580 [ 208.755781][ T5782] ? bset_aux_tree_verify+0x44d/0x4a0 [ 208.761319][ T5782] rw_aux_tree_insert_entry+0x6c3/0x970 [ 208.767227][ T5782] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 208.773192][ T5782] ? bch2_bkey_pack_key+0x1745/0x1860 [ 208.779000][ T5782] bch2_bset_insert+0x1621/0x19f0 [ 208.784281][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.789834][ T5782] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 208.795993][ T5782] ? __msan_memcpy+0x108/0x1c0 [ 208.800930][ T5782] bch2_btree_insert_key_leaf+0x276/0x1050 [ 208.807150][ T5782] __bch2_trans_commit+0xbbb7/0xd310 [ 208.812655][ T5782] bch2_trans_mark_metadata_bucket+0x63b/0x1eb0 [ 208.819090][ T5782] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 208.826594][ T5782] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 208.832384][ T5782] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 208.838584][ T5782] bch2_trans_mark_dev_sbs+0x32/0x40 [ 208.844091][ T5782] bch2_fs_initialize+0x19cd/0x2f90 [ 208.849530][ T5782] ? kmsan_internal_poison_memory+0x7d/0x90 [ 208.855729][ T5782] ? kmsan_internal_poison_memory+0x49/0x90 [ 208.861887][ T5782] ? kmsan_slab_free+0xd0/0x140 [ 208.866878][ T5782] ? kfree+0x240/0xdb0 [ 208.871225][ T5782] ? bch2_printbuf_exit+0x9b/0xd0 [ 208.876576][ T5782] ? print_mount_opts+0x4ca/0x4f0 [ 208.881934][ T5782] ? bch2_fs_start+0x55/0xc20 [ 208.887019][ T5782] ? bch2_fs_get_tree+0x143a/0x2330 [ 208.892459][ T5782] ? vfs_get_tree+0xb1/0x5a0 [ 208.897420][ T5782] ? do_new_mount+0x71f/0x15e0 [ 208.902615][ T5782] ? path_mount+0x742/0x1f10 [ 208.907363][ T5782] ? __se_sys_mount+0x71f/0x800 [ 208.912587][ T5782] ? __x64_sys_mount+0xe4/0x150 [ 208.917610][ T5782] ? x64_sys_call+0x39bf/0x3c30 [ 208.922721][ T5782] ? do_syscall_64+0xcd/0x1e0 [ 208.927589][ T5782] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.933932][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.939346][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.945321][ T5782] ? kfree+0x1a7/0xdb0 [ 208.949643][ T5782] ? filter_irq_stacks+0x60/0x1a0 [ 208.954818][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.960304][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.965704][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.971763][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.977110][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.982564][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 208.988619][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 208.994020][ T5782] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 209.000792][ T5782] ? llist_reverse_order+0x102/0x130 [ 209.006214][ T5782] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 209.012502][ T5782] bch2_fs_start+0x792/0xc20 [ 209.017365][ T5782] bch2_fs_get_tree+0x143a/0x2330 [ 209.022663][ T5782] vfs_get_tree+0xb1/0x5a0 [ 209.027226][ T5782] ? mount_capable+0x97/0x120 [ 209.032071][ T5782] do_new_mount+0x71f/0x15e0 [ 209.036902][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 209.042275][ T5782] path_mount+0x742/0x1f10 [ 209.046834][ T5782] ? user_path_at+0x374/0x3e0 [ 209.051711][ T5782] __se_sys_mount+0x71f/0x800 [ 209.056666][ T5782] __x64_sys_mount+0xe4/0x150 [ 209.061492][ T5782] x64_sys_call+0x39bf/0x3c30 [ 209.066392][ T5782] do_syscall_64+0xcd/0x1e0 [ 209.071018][ T5782] ? clear_bhb_loop+0x25/0x80 [ 209.075962][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 209.082167][ T5782] RIP: 0033:0x7f1a5f77c76a [ 209.086722][ T5782] 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 b0 ff ff ff f7 d8 64 89 01 48 [ 209.106551][ T5782] RSP: 002b:00007f1a5f732088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 209.115160][ T5782] RAX: ffffffffffffffda RBX: 00007f1a5f7320a0 RCX: 00007f1a5f77c76a [ 209.123253][ T5782] RDX: 0000200000005b40 RSI: 0000200000000100 RDI: 00007f1a5f7320a0 [ 209.131356][ T5782] RBP: 0000200000000100 R08: 00007f1a5f7320e0 R09: 00000000000059e3 [ 209.139449][ T5782] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000005b40 [ 209.147537][ T5782] R13: 00007f1a5f7320e0 R14: 0000000000000003 R15: 0000000000000000 [ 209.156069][ T5782] [ 209.159533][ T5782] Kernel Offset: disabled [ 209.163964][ T5782] Rebooting in 86400 seconds..