./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2188210199 <...> Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts. execve("./syz-executor2188210199", ["./syz-executor2188210199"], 0x7fffb22776d0 /* 10 vars */) = 0 brk(NULL) = 0x555593c85000 brk(0x555593c85d40) = 0x555593c85d40 arch_prctl(ARCH_SET_FS, 0x555593c853c0) = 0 set_tid_address(0x555593c85690) = 5783 set_robust_list(0x555593c856a0, 24) = 0 rseq(0x555593c85ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2188210199", 4096) = 28 getrandom("\xf4\x5f\xf7\x4e\x6c\xee\xa2\xf3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593c85d40 brk(0x555593ca6d40) = 0x555593ca6d40 brk(0x555593ca7000) = 0x555593ca7000 mprotect(0x7f8a7aabb000, 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 5784 attached , child_tidptr=0x555593c85690) = 5784 [pid 5784] set_robust_list(0x555593c856a0, 24) = 0 [pid 5784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5784] setpgid(0, 0) = 0 [pid 5784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5784] write(3, "1000", 4) = 4 executing program [pid 5784] close(3) = 0 [pid 5784] write(1, "executing program\n", 18) = 18 [pid 5784] futex(0x7f8a7aac15ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5784] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a7aa5a270, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a7aa4b920}, NULL, 8) = 0 [pid 5784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a7a9cb000 [pid 5784] mprotect(0x7f8a7a9cc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5784] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a7a9eb990, parent_tid=0x7f8a7a9eb990, exit_signal=0, stack=0x7f8a7a9cb000, stack_size=0x20300, tls=0x7f8a7a9eb6c0}./strace-static-x86_64: Process 5785 attached [pid 5785] rseq(0x7f8a7a9ebfe0, 0x20, 0, 0x53053053) = 0 [pid 5785] set_robust_list(0x7f8a7a9eb9a0, 24 [pid 5784] <... clone3 resumed> => {parent_tid=[5785]}, 88) = 5785 [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5784] futex(0x7f8a7aac15e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5784] futex(0x7f8a7aac15ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5785] memfd_create("syzkaller", 0) = 3 [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a72400000 [pid 5785] 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 5785] munmap(0x7f8a72400000, 138412032) = 0 [pid 5785] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5785] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5785] close(3) = 0 [pid 5785] close(4) = 0 [pid 5785] mkdir("./file0", 0777) = 0 [ 181.729173][ T5785] loop0: detected capacity change from 0 to 32768 [ 181.873189][ T5785] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 181.890181][ T5785] bcachefs (loop0): initializing new filesystem [ 181.901598][ T5785] bcachefs (loop0): going read-write [ 181.910084][ T5785] bcachefs (loop0): marking superblocks [ 181.937229][ T5785] ===================================================== [ 181.944508][ T5785] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 181.951755][ T5785] rw_aux_tree_set+0x4d2/0x580 [ 181.956868][ T5785] rw_aux_tree_insert_entry+0x6c3/0x970 [ 181.962596][ T5785] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 181.968736][ T5785] bch2_bset_insert+0x1621/0x19f0 [ 181.974007][ T5785] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 181.980003][ T5785] bch2_btree_insert_key_leaf+0x276/0x1050 [ 181.986166][ T5785] __bch2_trans_commit+0xaf5e/0xd190 [ 181.991634][ T5785] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 181.998201][ T5785] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 182.003839][ T5785] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 182.010121][ T5785] bch2_trans_mark_dev_sbs+0x32/0x40 [ 182.015703][ T5785] bch2_fs_initialize+0x19bd/0x35d0 [ 182.021105][ T5785] bch2_fs_start+0x77d/0xbd0 [ 182.026012][ T5785] bch2_fs_get_tree+0x13ea/0x22d0 [ 182.031195][ T5785] vfs_get_tree+0xb1/0x5a0 [ 182.035925][ T5785] do_new_mount+0x71f/0x15e0 [ 182.040660][ T5785] path_mount+0x742/0x1f10 [ 182.045325][ T5785] __se_sys_mount+0x722/0x810 [ 182.050150][ T5785] __x64_sys_mount+0xe4/0x150 [ 182.055117][ T5785] x64_sys_call+0x39bf/0x3c30 [ 182.060020][ T5785] do_syscall_64+0xcd/0x1e0 [ 182.064798][ T5785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.070901][ T5785] [ 182.073269][ T5785] Uninit was created at: [ 182.078000][ T5785] ___kmalloc_large_node+0x22c/0x370 [ 182.083504][ T5785] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 182.089517][ T5785] __kmalloc_node_noprof+0xc96/0x1250 [ 182.095169][ T5785] __kvmalloc_node_noprof+0xc0/0x2d0 [ 182.100556][ T5785] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 182.106636][ T5785] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 182.112367][ T5785] bch2_fs_open+0x4d3a/0x5b40 [ 182.117316][ T5785] bch2_fs_get_tree+0x983/0x22d0 [ 182.122431][ T5785] vfs_get_tree+0xb1/0x5a0 [ 182.127157][ T5785] do_new_mount+0x71f/0x15e0 [ 182.131888][ T5785] path_mount+0x742/0x1f10 [ 182.136593][ T5785] __se_sys_mount+0x722/0x810 [ 182.141421][ T5785] __x64_sys_mount+0xe4/0x150 [ 182.146345][ T5785] x64_sys_call+0x39bf/0x3c30 [ 182.151215][ T5785] do_syscall_64+0xcd/0x1e0 [ 182.155954][ T5785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.162065][ T5785] [ 182.164626][ T5785] CPU: 1 UID: 0 PID: 5785 Comm: syz-executor218 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 182.176037][ T5785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 182.186344][ T5785] ===================================================== [ 182.193374][ T5785] Disabling lock debugging due to kernel taint [ 182.199793][ T5785] Kernel panic - not syncing: kmsan.panic set ... [ 182.206348][ T5785] CPU: 1 UID: 0 PID: 5785 Comm: syz-executor218 Tainted: G B 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 182.219145][ T5785] Tainted: [B]=BAD_PAGE [ 182.223348][ T5785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 182.233492][ T5785] Call Trace: [ 182.236831][ T5785] [ 182.239815][ T5785] dump_stack_lvl+0x216/0x2d0 [ 182.244623][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.250536][ T5785] dump_stack+0x1e/0x24 [ 182.254835][ T5785] panic+0x4e2/0xcf0 [ 182.258842][ T5785] ? kmsan_get_metadata+0x111/0x1c0 [ 182.264179][ T5785] kmsan_report+0x2c7/0x2d0 [ 182.268827][ T5785] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 182.274797][ T5785] ? __msan_warning+0x95/0x120 [ 182.279757][ T5785] ? rw_aux_tree_set+0x4d2/0x580 [ 182.284794][ T5785] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 182.290631][ T5785] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 182.296732][ T5785] ? bch2_bset_insert+0x1621/0x19f0 [ 182.302060][ T5785] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 182.308171][ T5785] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 182.314279][ T5785] ? __bch2_trans_commit+0xaf5e/0xd190 [ 182.319848][ T5785] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 182.326469][ T5785] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 182.332266][ T5785] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 182.338632][ T5785] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 182.344237][ T5785] ? bch2_fs_initialize+0x19bd/0x35d0 [ 182.349741][ T5785] ? bch2_fs_start+0x77d/0xbd0 [ 182.354629][ T5785] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 182.360011][ T5785] ? vfs_get_tree+0xb1/0x5a0 [ 182.364734][ T5785] ? do_new_mount+0x71f/0x15e0 [ 182.369594][ T5785] ? path_mount+0x742/0x1f10 [ 182.374288][ T5785] ? __se_sys_mount+0x722/0x810 [ 182.379230][ T5785] ? __x64_sys_mount+0xe4/0x150 [ 182.384179][ T5785] ? x64_sys_call+0x39bf/0x3c30 [ 182.389184][ T5785] ? do_syscall_64+0xcd/0x1e0 [ 182.394048][ T5785] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.400279][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.406297][ T5785] ? filter_irq_stacks+0x164/0x1a0 [ 182.411561][ T5785] ? stack_depot_save_flags+0x2c/0x750 [ 182.417210][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.422548][ T5785] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 182.429104][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.434429][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.440401][ T5785] __msan_warning+0x95/0x120 [ 182.445113][ T5785] rw_aux_tree_set+0x4d2/0x580 [ 182.449980][ T5785] ? bset_aux_tree_verify+0x44d/0x4a0 [ 182.455465][ T5785] rw_aux_tree_insert_entry+0x6c3/0x970 [ 182.461140][ T5785] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 182.467053][ T5785] ? bch2_bkey_pack_key+0x1745/0x1860 [ 182.472561][ T5785] bch2_bset_insert+0x1621/0x19f0 [ 182.477686][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.483024][ T5785] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 182.488974][ T5785] ? __msan_memcpy+0x108/0x1c0 [ 182.493886][ T5785] bch2_btree_insert_key_leaf+0x276/0x1050 [ 182.499860][ T5785] __bch2_trans_commit+0xaf5e/0xd190 [ 182.505296][ T5785] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 182.511667][ T5785] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 182.518832][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.524133][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.530062][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.535363][ T5785] ? kmsan_save_stack_with_flags+0x10/0x60 [ 182.541313][ T5785] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 182.546968][ T5785] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 182.553103][ T5785] bch2_trans_mark_dev_sbs+0x32/0x40 [ 182.558519][ T5785] bch2_fs_initialize+0x19bd/0x35d0 [ 182.563835][ T5785] ? kmsan_internal_poison_memory+0x49/0x90 [ 182.569899][ T5785] ? kmsan_slab_free+0xd0/0x140 [ 182.574874][ T5785] ? kfree+0x240/0xdb0 [ 182.579050][ T5785] ? bch2_printbuf_exit+0x9b/0xd0 [ 182.584200][ T5785] ? print_mount_opts+0x4ca/0x4f0 [ 182.589319][ T5785] ? bch2_fs_start+0x59/0xbd0 [ 182.594110][ T5785] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 182.599483][ T5785] ? vfs_get_tree+0xb1/0x5a0 [ 182.604218][ T5785] ? do_new_mount+0x71f/0x15e0 [ 182.609138][ T5785] ? path_mount+0x742/0x1f10 [ 182.613814][ T5785] ? __se_sys_mount+0x722/0x810 [ 182.618776][ T5785] ? __x64_sys_mount+0xe4/0x150 [ 182.623719][ T5785] ? x64_sys_call+0x39bf/0x3c30 [ 182.628697][ T5785] ? do_syscall_64+0xcd/0x1e0 [ 182.633468][ T5785] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.639695][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.645053][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.650987][ T5785] ? kfree+0x1a7/0xdb0 [ 182.655233][ T5785] ? filter_irq_stacks+0x60/0x1a0 [ 182.660384][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.665682][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.670983][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.676903][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.682201][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.687524][ T5785] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 182.693437][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.698751][ T5785] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 182.705212][ T5785] ? llist_reverse_order+0x102/0x130 [ 182.710601][ T5785] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 182.716806][ T5785] ? __closure_wake_up+0x16a/0x180 [ 182.722039][ T5785] bch2_fs_start+0x77d/0xbd0 [ 182.726737][ T5785] bch2_fs_get_tree+0x13ea/0x22d0 [ 182.731916][ T5785] vfs_get_tree+0xb1/0x5a0 [ 182.736454][ T5785] ? mount_capable+0x97/0x120 [ 182.741273][ T5785] do_new_mount+0x71f/0x15e0 [ 182.746012][ T5785] ? kmsan_get_metadata+0x13e/0x1c0 [ 182.751322][ T5785] path_mount+0x742/0x1f10 [ 182.755835][ T5785] ? user_path_at+0x374/0x3e0 [ 182.760631][ T5785] __se_sys_mount+0x722/0x810 [ 182.765408][ T5785] ? ptrace_notify+0x263/0x320 [ 182.770323][ T5785] __x64_sys_mount+0xe4/0x150 [ 182.775145][ T5785] x64_sys_call+0x39bf/0x3c30 [ 182.780023][ T5785] do_syscall_64+0xcd/0x1e0 [ 182.784619][ T5785] ? clear_bhb_loop+0x25/0x80 [ 182.789422][ T5785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.795450][ T5785] RIP: 0033:0x7f8a7aa357aa [ 182.799973][ T5785] 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 [ 182.819723][ T5785] RSP: 002b:00007f8a7a9eb088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 182.828285][ T5785] RAX: ffffffffffffffda RBX: 00007f8a7a9eb0a0 RCX: 00007f8a7aa357aa [ 182.836352][ T5785] RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007f8a7a9eb0a0 [ 182.844445][ T5785] RBP: 0000000000000004 R08: 00007f8a7a9eb0e0 R09: 00000000000059e4 [ 182.852543][ T5785] R10: 0000000000000010 R11: 0000000000000282 R12: 00007f8a7a9eb0e0 [ 182.860603][ T5785] R13: 0000000000000010 R14: 0000000000000003 R15: 0000000001000000 [ 182.868671][ T5785] [ 182.872035][ T5785] Kernel Offset: disabled [ 182.876448][ T5785] Rebooting in 86400 seconds..