./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2741188499 <...> Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. execve("./syz-executor2741188499", ["./syz-executor2741188499"], 0x7fff51088b30 /* 10 vars */) = 0 brk(NULL) = 0x555586a7a000 brk(0x555586a7ad00) = 0x555586a7ad00 arch_prctl(ARCH_SET_FS, 0x555586a7a380) = 0 set_tid_address(0x555586a7a650) = 5781 set_robust_list(0x555586a7a660, 24) = 0 rseq(0x555586a7aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2741188499", 4096) = 28 getrandom("\xcf\x12\xf9\x2e\xb9\xea\x90\x11", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555586a7ad00 brk(0x555586a9bd00) = 0x555586a9bd00 brk(0x555586a9c000) = 0x555586a9c000 mprotect(0x7f3051aef000, 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 5782 attached , child_tidptr=0x555586a7a650) = 5782 [pid 5782] set_robust_list(0x555586a7a660, 24) = 0 [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5782] setpgid(0, 0) = 0 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5782] write(3, "1000", 4) = 4 [pid 5782] close(3executing program ) = 0 [pid 5782] write(1, "executing program\n", 18) = 18 [pid 5782] memfd_create("syzkaller", 0) = 3 [pid 5782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3049600000 [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(0x7f3049600000, 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 [ 181.261244][ T5782] loop0: detected capacity change from 0 to 32768 [ 181.402398][ T5782] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 181.419227][ T5782] bcachefs (loop0): initializing new filesystem [ 181.430217][ T5782] bcachefs (loop0): going read-write [ 181.439707][ T5782] bcachefs (loop0): marking superblocks [ 181.466160][ T5782] ===================================================== [ 181.473517][ T5782] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 181.481346][ T5782] rw_aux_tree_set+0x4d2/0x580 [ 181.486329][ T5782] rw_aux_tree_insert_entry+0x6c3/0x970 [ 181.492040][ T5782] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 181.498061][ T5782] bch2_bset_insert+0x1621/0x19f0 [ 181.503239][ T5782] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 181.509310][ T5782] bch2_btree_insert_key_leaf+0x276/0x1050 [ 181.515400][ T5782] __bch2_trans_commit+0xaf5e/0xd190 [ 181.520856][ T5782] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 181.527372][ T5782] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 181.533009][ T5782] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 181.539229][ T5782] bch2_trans_mark_dev_sbs+0x32/0x40 [ 181.544749][ T5782] bch2_fs_initialize+0x19bd/0x35d0 [ 181.550055][ T5782] bch2_fs_start+0x77d/0xbd0 [ 181.554866][ T5782] bch2_fs_get_tree+0x13ea/0x22d0 [ 181.560054][ T5782] vfs_get_tree+0xb1/0x5a0 [ 181.564726][ T5782] do_new_mount+0x71f/0x15e0 [ 181.569455][ T5782] path_mount+0x742/0x1f10 [ 181.574091][ T5782] __se_sys_mount+0x722/0x810 [ 181.578913][ T5782] __x64_sys_mount+0xe4/0x150 [ 181.583849][ T5782] x64_sys_call+0x39bf/0x3c30 [ 181.588721][ T5782] do_syscall_64+0xcd/0x1e0 [ 181.593325][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.599458][ T5782] [ 181.601873][ T5782] Uninit was created at: [ 181.606426][ T5782] ___kmalloc_large_node+0x22c/0x370 [ 181.611904][ T5782] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 181.617868][ T5782] __kmalloc_node_noprof+0xc96/0x1250 [ 181.623426][ T5782] __kvmalloc_node_noprof+0xc0/0x2d0 [ 181.628942][ T5782] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 181.634996][ T5782] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 181.640662][ T5782] bch2_fs_open+0x4d3a/0x5b40 [ 181.645589][ T5782] bch2_fs_get_tree+0x983/0x22d0 [ 181.650693][ T5782] vfs_get_tree+0xb1/0x5a0 [ 181.655344][ T5782] do_new_mount+0x71f/0x15e0 [ 181.660097][ T5782] path_mount+0x742/0x1f10 [ 181.664807][ T5782] __se_sys_mount+0x722/0x810 [ 181.669629][ T5782] __x64_sys_mount+0xe4/0x150 [ 181.674520][ T5782] x64_sys_call+0x39bf/0x3c30 [ 181.679384][ T5782] do_syscall_64+0xcd/0x1e0 [ 181.684113][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.690193][ T5782] [ 181.692584][ T5782] CPU: 0 UID: 0 PID: 5782 Comm: syz-executor274 Not tainted 6.13.0-rc4-syzkaller-00069-g8379578b11d5 #0 [ 181.704019][ T5782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 181.714263][ T5782] ===================================================== [ 181.721250][ T5782] Disabling lock debugging due to kernel taint [ 181.727597][ T5782] Kernel panic - not syncing: kmsan.panic set ... [ 181.734132][ T5782] CPU: 0 UID: 0 PID: 5782 Comm: syz-executor274 Tainted: G B 6.13.0-rc4-syzkaller-00069-g8379578b11d5 #0 [ 181.746849][ T5782] Tainted: [B]=BAD_PAGE [ 181.751057][ T5782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 181.761198][ T5782] Call Trace: [ 181.764570][ T5782] [ 181.767587][ T5782] dump_stack_lvl+0x216/0x2d0 [ 181.772378][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.778291][ T5782] dump_stack+0x1e/0x24 [ 181.782559][ T5782] panic+0x4e2/0xcf0 [ 181.786556][ T5782] ? kmsan_get_metadata+0x131/0x1c0 [ 181.791864][ T5782] kmsan_report+0x2c7/0x2d0 [ 181.796463][ T5782] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 181.802397][ T5782] ? __msan_warning+0x95/0x120 [ 181.807284][ T5782] ? rw_aux_tree_set+0x4d2/0x580 [ 181.812319][ T5782] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 181.818141][ T5782] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 181.824223][ T5782] ? bch2_bset_insert+0x1621/0x19f0 [ 181.829511][ T5782] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 181.835601][ T5782] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 181.841693][ T5782] ? __bch2_trans_commit+0xaf5e/0xd190 [ 181.847257][ T5782] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 181.853802][ T5782] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 181.859549][ T5782] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 181.865818][ T5782] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 181.871389][ T5782] ? bch2_fs_initialize+0x19bd/0x35d0 [ 181.876862][ T5782] ? bch2_fs_start+0x77d/0xbd0 [ 181.881747][ T5782] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 181.887041][ T5782] ? vfs_get_tree+0xb1/0x5a0 [ 181.891753][ T5782] ? do_new_mount+0x71f/0x15e0 [ 181.896602][ T5782] ? path_mount+0x742/0x1f10 [ 181.901337][ T5782] ? __se_sys_mount+0x722/0x810 [ 181.906331][ T5782] ? __x64_sys_mount+0xe4/0x150 [ 181.911264][ T5782] ? x64_sys_call+0x39bf/0x3c30 [ 181.916234][ T5782] ? do_syscall_64+0xcd/0x1e0 [ 181.920996][ T5782] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.927189][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.933098][ T5782] ? filter_irq_stacks+0x164/0x1a0 [ 181.938324][ T5782] ? stack_depot_save_flags+0x2c/0x750 [ 181.943924][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.949239][ T5782] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 181.955699][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.960991][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.966905][ T5782] __msan_warning+0x95/0x120 [ 181.971618][ T5782] rw_aux_tree_set+0x4d2/0x580 [ 181.976479][ T5782] ? bset_aux_tree_verify+0x44d/0x4a0 [ 181.981958][ T5782] rw_aux_tree_insert_entry+0x6c3/0x970 [ 181.987620][ T5782] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 181.993528][ T5782] ? bch2_bkey_pack_key+0x1745/0x1860 [ 181.999089][ T5782] bch2_bset_insert+0x1621/0x19f0 [ 182.004234][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.009602][ T5782] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 182.015559][ T5782] ? __msan_memcpy+0x108/0x1c0 [ 182.020556][ T5782] bch2_btree_insert_key_leaf+0x276/0x1050 [ 182.026536][ T5782] __bch2_trans_commit+0xaf5e/0xd190 [ 182.032027][ T5782] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 182.038423][ T5782] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 182.045618][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.050918][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.056831][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.062129][ T5782] ? kmsan_save_stack_with_flags+0x30/0x60 [ 182.068072][ T5782] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 182.073763][ T5782] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 182.079876][ T5782] bch2_trans_mark_dev_sbs+0x32/0x40 [ 182.085277][ T5782] bch2_fs_initialize+0x19bd/0x35d0 [ 182.090583][ T5782] ? kmsan_internal_poison_memory+0x49/0x90 [ 182.096605][ T5782] ? kmsan_slab_free+0xd0/0x140 [ 182.101579][ T5782] ? kfree+0x240/0xdb0 [ 182.105774][ T5782] ? bch2_printbuf_exit+0x9b/0xd0 [ 182.110996][ T5782] ? print_mount_opts+0x4ca/0x4f0 [ 182.116144][ T5782] ? bch2_fs_start+0x59/0xbd0 [ 182.120946][ T5782] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 182.126252][ T5782] ? vfs_get_tree+0xb1/0x5a0 [ 182.130967][ T5782] ? do_new_mount+0x71f/0x15e0 [ 182.135818][ T5782] ? path_mount+0x742/0x1f10 [ 182.140558][ T5782] ? __se_sys_mount+0x722/0x810 [ 182.145556][ T5782] ? __x64_sys_mount+0xe4/0x150 [ 182.150521][ T5782] ? x64_sys_call+0x39bf/0x3c30 [ 182.155497][ T5782] ? do_syscall_64+0xcd/0x1e0 [ 182.160263][ T5782] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.166455][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.171759][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.177663][ T5782] ? kfree+0x1a7/0xdb0 [ 182.181838][ T5782] ? filter_irq_stacks+0x60/0x1a0 [ 182.186990][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.192293][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.197624][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.203629][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.209009][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.214367][ T5782] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.220296][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.225647][ T5782] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 182.232121][ T5782] ? llist_reverse_order+0x102/0x130 [ 182.237504][ T5782] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 182.243739][ T5782] ? __closure_wake_up+0x16a/0x180 [ 182.249017][ T5782] bch2_fs_start+0x77d/0xbd0 [ 182.253767][ T5782] bch2_fs_get_tree+0x13ea/0x22d0 [ 182.258999][ T5782] vfs_get_tree+0xb1/0x5a0 [ 182.263575][ T5782] ? mount_capable+0x97/0x120 [ 182.268423][ T5782] do_new_mount+0x71f/0x15e0 [ 182.273126][ T5782] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.278456][ T5782] path_mount+0x742/0x1f10 [ 182.283006][ T5782] ? user_path_at+0x374/0x3e0 [ 182.287828][ T5782] __se_sys_mount+0x722/0x810 [ 182.292660][ T5782] ? ptrace_notify+0x263/0x320 [ 182.297551][ T5782] __x64_sys_mount+0xe4/0x150 [ 182.302335][ T5782] x64_sys_call+0x39bf/0x3c30 [ 182.307143][ T5782] do_syscall_64+0xcd/0x1e0 [ 182.311740][ T5782] ? clear_bhb_loop+0x25/0x80 [ 182.316548][ T5782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.322611][ T5782] RIP: 0033:0x7f3051a77dea [ 182.327160][ 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 b8 ff ff ff f7 d8 64 89 01 48 [ 182.346891][ T5782] RSP: 002b:00007ffd8686bce8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 182.355420][ T5782] RAX: ffffffffffffffda RBX: 00007ffd8686bd00 RCX: 00007f3051a77dea [ 182.363491][ T5782] RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007ffd8686bd00 [ 182.371593][ T5782] RBP: 0000000000000010 R08: 00007ffd8686bd40 R09: 00000000000059d0 [ 182.379660][ T5782] R10: 0000000000000010 R11: 0000000000000282 R12: 0000000000000004 [ 182.387711][ T5782] R13: 00007ffd8686bd40 R14: 0000000000000003 R15: 0000000001000000 [ 182.395784][ T5782] [ 182.399042][ T5782] Kernel Offset: disabled [ 182.403454][ T5782] Rebooting in 86400 seconds..