./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2980566071 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor2980566071", ["./syz-executor2980566071"], 0x7fff33ebbd00 /* 10 vars */) = 0 brk(NULL) = 0x555575bcf000 brk(0x555575bcfd40) = 0x555575bcfd40 arch_prctl(ARCH_SET_FS, 0x555575bcf3c0) = 0 set_tid_address(0x555575bcf690) = 5785 set_robust_list(0x555575bcf6a0, 24) = 0 rseq(0x555575bcfce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2980566071", 4096) = 28 getrandom("\xd2\xc8\x54\xc6\x25\xe4\x93\x55", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575bcfd40 brk(0x555575bf0d40) = 0x555575bf0d40 brk(0x555575bf1000) = 0x555575bf1000 mprotect(0x7f75bc3dd000, 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=0x555575bcf690) = 5786 ./strace-static-x86_64: Process 5786 attached [pid 5786] set_robust_list(0x555575bcf6a0, 24) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5786] setpgid(0, 0) = 0 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1000", 4) = 4 [pid 5786] close(3executing program ) = 0 [pid 5786] write(1, "executing program\n", 18) = 18 [pid 5786] futex(0x7f75bc3e36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7f75bc37c530, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f75bc36dbe0}, NULL, 8) = 0 [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f75bc2ed000 [pid 5786] mprotect(0x7f75bc2ee000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f75bc30d990, parent_tid=0x7f75bc30d990, exit_signal=0, stack=0x7f75bc2ed000, stack_size=0x20300, tls=0x7f75bc30d6c0} => {parent_tid=[5788]}, 88) = 5788 ./strace-static-x86_64: Process 5788 attached [pid 5788] rseq(0x7f75bc30dfe0, 0x20, 0, 0x53053053) = 0 [pid 5788] set_robust_list(0x7f75bc30d9a0, 24 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5788] <... set_robust_list resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] futex(0x7f75bc3e36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5786] futex(0x7f75bc3e36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5788] memfd_create("syzkaller", 0) = 3 [pid 5788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75b3e00000 [pid 5788] 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 5788] munmap(0x7f75b3e00000, 138412032) = 0 [pid 5788] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5788] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5788] close(3) = 0 [pid 5788] close(4) = 0 [pid 5788] mkdir("./file1", 0777) = 0 [ 180.271818][ T5788] loop0: detected capacity change from 0 to 32768 [ 180.430434][ T5788] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 180.447168][ T5788] bcachefs (loop0): initializing new filesystem [ 180.457944][ T5788] bcachefs (loop0): going read-write [ 180.467395][ T5788] bcachefs (loop0): marking superblocks [ 180.494942][ T5788] ===================================================== [ 180.502347][ T5788] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 180.509624][ T5788] rw_aux_tree_set+0x4d2/0x580 [ 180.514908][ T5788] rw_aux_tree_insert_entry+0x6c3/0x970 [ 180.520667][ T5788] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 180.526595][ T5788] bch2_bset_insert+0x1621/0x19f0 [ 180.531915][ T5788] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 180.537930][ T5788] bch2_btree_insert_key_leaf+0x276/0x1050 [ 180.544050][ T5788] __bch2_trans_commit+0xaf5e/0xd190 [ 180.549527][ T5788] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 180.556116][ T5788] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 180.561797][ T5788] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 180.567892][ T5788] bch2_trans_mark_dev_sbs+0x32/0x40 [ 180.573423][ T5788] bch2_fs_initialize+0x19bd/0x35d0 [ 180.578788][ T5788] bch2_fs_start+0x77d/0xbd0 [ 180.583712][ T5788] bch2_fs_get_tree+0x13ea/0x22d0 [ 180.588927][ T5788] vfs_get_tree+0xb1/0x5a0 [ 180.593624][ T5788] do_new_mount+0x71f/0x15e0 [ 180.598354][ T5788] path_mount+0x742/0x1f10 [ 180.603001][ T5788] __se_sys_mount+0x722/0x810 [ 180.607847][ T5788] __x64_sys_mount+0xe4/0x150 [ 180.612829][ T5788] x64_sys_call+0x39bf/0x3c30 [ 180.617694][ T5788] do_syscall_64+0xcd/0x1e0 [ 180.622437][ T5788] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.628535][ T5788] [ 180.631097][ T5788] Uninit was created at: [ 180.635527][ T5788] ___kmalloc_large_node+0x22c/0x370 [ 180.641099][ T5788] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 180.647017][ T5788] __kmalloc_node_noprof+0xc96/0x1250 [ 180.652650][ T5788] __kvmalloc_node_noprof+0xc0/0x2d0 [ 180.658099][ T5788] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 180.664181][ T5788] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 180.669894][ T5788] bch2_fs_open+0x4d3a/0x5b40 [ 180.674822][ T5788] bch2_fs_get_tree+0x983/0x22d0 [ 180.679917][ T5788] vfs_get_tree+0xb1/0x5a0 [ 180.684568][ T5788] do_new_mount+0x71f/0x15e0 [ 180.689322][ T5788] path_mount+0x742/0x1f10 [ 180.694003][ T5788] __se_sys_mount+0x722/0x810 [ 180.698819][ T5788] __x64_sys_mount+0xe4/0x150 [ 180.703806][ T5788] x64_sys_call+0x39bf/0x3c30 [ 180.708678][ T5788] do_syscall_64+0xcd/0x1e0 [ 180.713396][ T5788] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.719493][ T5788] [ 180.722014][ T5788] CPU: 1 UID: 0 PID: 5788 Comm: syz-executor298 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0 [ 180.733389][ T5788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 180.743644][ T5788] ===================================================== [ 180.750793][ T5788] Disabling lock debugging due to kernel taint [ 180.757040][ T5788] Kernel panic - not syncing: kmsan.panic set ... [ 180.763539][ T5788] CPU: 1 UID: 0 PID: 5788 Comm: syz-executor298 Tainted: G B 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0 [ 180.776249][ T5788] Tainted: [B]=BAD_PAGE [ 180.780492][ T5788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 180.790681][ T5788] Call Trace: [ 180.794030][ T5788] [ 180.797041][ T5788] dump_stack_lvl+0x216/0x2d0 [ 180.801849][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.807774][ T5788] dump_stack+0x1e/0x24 [ 180.812044][ T5788] panic+0x4e2/0xcf0 [ 180.816050][ T5788] ? kmsan_get_metadata+0xf1/0x1c0 [ 180.821275][ T5788] kmsan_report+0x2c7/0x2d0 [ 180.825891][ T5788] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 180.831900][ T5788] ? __msan_warning+0x95/0x120 [ 180.836808][ T5788] ? rw_aux_tree_set+0x4d2/0x580 [ 180.841905][ T5788] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 180.847737][ T5788] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 180.853839][ T5788] ? bch2_bset_insert+0x1621/0x19f0 [ 180.859128][ T5788] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 180.865280][ T5788] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 180.871402][ T5788] ? __bch2_trans_commit+0xaf5e/0xd190 [ 180.877041][ T5788] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 180.883581][ T5788] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 180.889320][ T5788] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 180.895586][ T5788] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 180.901158][ T5788] ? bch2_fs_initialize+0x19bd/0x35d0 [ 180.906634][ T5788] ? bch2_fs_start+0x77d/0xbd0 [ 180.911530][ T5788] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 180.916849][ T5788] ? vfs_get_tree+0xb1/0x5a0 [ 180.921632][ T5788] ? do_new_mount+0x71f/0x15e0 [ 180.926481][ T5788] ? path_mount+0x742/0x1f10 [ 180.931194][ T5788] ? __se_sys_mount+0x722/0x810 [ 180.936131][ T5788] ? __x64_sys_mount+0xe4/0x150 [ 180.941067][ T5788] ? x64_sys_call+0x39bf/0x3c30 [ 180.946036][ T5788] ? do_syscall_64+0xcd/0x1e0 [ 180.950822][ T5788] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.957086][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.963010][ T5788] ? filter_irq_stacks+0x164/0x1a0 [ 180.968240][ T5788] ? stack_depot_save_flags+0x2c/0x750 [ 180.973842][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.979203][ T5788] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 180.985694][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 180.990989][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 180.996900][ T5788] __msan_warning+0x95/0x120 [ 181.001613][ T5788] rw_aux_tree_set+0x4d2/0x580 [ 181.006473][ T5788] ? bset_aux_tree_verify+0x44d/0x4a0 [ 181.011951][ T5788] rw_aux_tree_insert_entry+0x6c3/0x970 [ 181.017622][ T5788] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 181.023530][ T5788] ? bch2_bkey_pack_key+0x1745/0x1860 [ 181.029030][ T5788] bch2_bset_insert+0x1621/0x19f0 [ 181.034152][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.039466][ T5788] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 181.045390][ T5788] ? __msan_memcpy+0x108/0x1c0 [ 181.050310][ T5788] bch2_btree_insert_key_leaf+0x276/0x1050 [ 181.056254][ T5788] __bch2_trans_commit+0xaf5e/0xd190 [ 181.061685][ T5788] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 181.068053][ T5788] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 181.075239][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.080598][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.086541][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.091894][ T5788] ? kmsan_internal_poison_memory+0x90/0x90 [ 181.097954][ T5788] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 181.103652][ T5788] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 181.109790][ T5788] bch2_trans_mark_dev_sbs+0x32/0x40 [ 181.115257][ T5788] bch2_fs_initialize+0x19bd/0x35d0 [ 181.120588][ T5788] ? kmsan_internal_poison_memory+0x49/0x90 [ 181.126676][ T5788] ? kmsan_slab_free+0xd0/0x140 [ 181.131672][ T5788] ? kfree+0x240/0xdb0 [ 181.135909][ T5788] ? bch2_printbuf_exit+0x9b/0xd0 [ 181.141049][ T5788] ? print_mount_opts+0x4ca/0x4f0 [ 181.146198][ T5788] ? bch2_fs_start+0x59/0xbd0 [ 181.150998][ T5788] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 181.156300][ T5788] ? vfs_get_tree+0xb1/0x5a0 [ 181.161007][ T5788] ? do_new_mount+0x71f/0x15e0 [ 181.165881][ T5788] ? path_mount+0x742/0x1f10 [ 181.170660][ T5788] ? __se_sys_mount+0x722/0x810 [ 181.175597][ T5788] ? __x64_sys_mount+0xe4/0x150 [ 181.180535][ T5788] ? x64_sys_call+0x39bf/0x3c30 [ 181.185503][ T5788] ? do_syscall_64+0xcd/0x1e0 [ 181.190281][ T5788] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.196473][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.201767][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.207668][ T5788] ? kfree+0x1a7/0xdb0 [ 181.211871][ T5788] ? filter_irq_stacks+0x60/0x1a0 [ 181.217072][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.222386][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.227736][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.233670][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.239019][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.244308][ T5788] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.250228][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.255522][ T5788] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 181.261978][ T5788] ? llist_reverse_order+0x102/0x130 [ 181.267377][ T5788] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 181.273650][ T5788] ? __closure_wake_up+0x16a/0x180 [ 181.278911][ T5788] bch2_fs_start+0x77d/0xbd0 [ 181.283703][ T5788] bch2_fs_get_tree+0x13ea/0x22d0 [ 181.288869][ T5788] vfs_get_tree+0xb1/0x5a0 [ 181.293407][ T5788] ? mount_capable+0x97/0x120 [ 181.298189][ T5788] do_new_mount+0x71f/0x15e0 [ 181.302896][ T5788] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.308199][ T5788] path_mount+0x742/0x1f10 [ 181.312770][ T5788] ? user_path_at+0x374/0x3e0 [ 181.317628][ T5788] __se_sys_mount+0x722/0x810 [ 181.322401][ T5788] ? ptrace_notify+0x263/0x320 [ 181.327295][ T5788] __x64_sys_mount+0xe4/0x150 [ 181.332070][ T5788] x64_sys_call+0x39bf/0x3c30 [ 181.336870][ T5788] do_syscall_64+0xcd/0x1e0 [ 181.341462][ T5788] ? clear_bhb_loop+0x25/0x80 [ 181.346259][ T5788] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.352285][ T5788] RIP: 0033:0x7f75bc357a6a [ 181.356771][ T5788] 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 [ 181.376489][ T5788] RSP: 002b:00007f75bc30d088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 181.385011][ T5788] RAX: ffffffffffffffda RBX: 00007f75bc30d0a0 RCX: 00007f75bc357a6a [ 181.393091][ T5788] RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007f75bc30d0a0 [ 181.401197][ T5788] RBP: 0000000000000004 R08: 00007f75bc30d0e0 R09: 00000000000059d0 [ 181.409255][ T5788] R10: 0000000000000010 R11: 0000000000000282 R12: 00007f75bc30d0e0 [ 181.417329][ T5788] R13: 0000000000000010 R14: 0000000000000003 R15: 0000000001000000 [ 181.425389][ T5788] [ 181.428738][ T5788] Kernel Offset: disabled [ 181.433126][ T5788] Rebooting in 86400 seconds..