./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1435705421 <...> Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts. execve("./syz-executor1435705421", ["./syz-executor1435705421"], 0x7ffcbdbc08c0 /* 10 vars */) = 0 brk(NULL) = 0x55558c7bb000 brk(0x55558c7bbd00) = 0x55558c7bbd00 arch_prctl(ARCH_SET_FS, 0x55558c7bb380) = 0 set_tid_address(0x55558c7bb650) = 5779 set_robust_list(0x55558c7bb660, 24) = 0 rseq(0x55558c7bbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1435705421", 4096) = 28 getrandom("\x55\xf2\x88\x9a\xfc\x06\x57\x5a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558c7bbd00 brk(0x55558c7dcd00) = 0x55558c7dcd00 brk(0x55558c7dd000) = 0x55558c7dd000 mprotect(0x7fa344138000, 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=0x55558c7bb650) = 5780 ./strace-static-x86_64: Process 5780 attached [pid 5780] set_robust_list(0x55558c7bb660, 24) = 0 [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5780] setpgid(0, 0) = 0 [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5780] write(3, "1000", 4executing program ) = 4 [pid 5780] close(3) = 0 [pid 5780] write(1, "executing program\n", 18) = 18 [pid 5780] memfd_create("syzkaller", 0) = 3 [pid 5780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa33bc00000 [pid 5780] 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 5780] munmap(0x7fa33bc00000, 138412032) = 0 [pid 5780] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5780] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5780] close(3) = 0 [pid 5780] close(4) = 0 [pid 5780] mkdir("./file1", 0777) = 0 [ 192.312162][ T5780] loop0: detected capacity change from 0 to 32768 [ 192.462630][ T5780] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 192.479519][ T5780] bcachefs (loop0): initializing new filesystem [ 192.490615][ T5780] bcachefs (loop0): going read-write [ 192.500251][ T5780] bcachefs (loop0): marking superblocks [ 192.527857][ T5780] ===================================================== [ 192.534999][ T5780] BUG: KMSAN: uninit-value in rw_aux_tree_set+0x4d2/0x580 [ 192.542585][ T5780] rw_aux_tree_set+0x4d2/0x580 [ 192.547757][ T5780] rw_aux_tree_insert_entry+0x6c3/0x970 [ 192.553561][ T5780] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 192.559788][ T5780] bch2_bset_insert+0x1621/0x19f0 [ 192.564979][ T5780] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 192.571237][ T5780] bch2_btree_insert_key_leaf+0x276/0x1050 [ 192.577344][ T5780] __bch2_trans_commit+0xaf5e/0xd190 [ 192.582760][ T5780] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 192.589451][ T5780] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 192.595132][ T5780] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 192.601605][ T5780] bch2_trans_mark_dev_sbs+0x32/0x40 [ 192.607737][ T5780] bch2_fs_initialize+0x19bd/0x35d0 [ 192.613116][ T5780] bch2_fs_start+0x77d/0xbd0 [ 192.618111][ T5780] bch2_fs_get_tree+0x13ea/0x22d0 [ 192.623306][ T5780] vfs_get_tree+0xb1/0x5a0 [ 192.627999][ T5780] do_new_mount+0x71f/0x15e0 [ 192.632743][ T5780] path_mount+0x742/0x1f10 [ 192.637432][ T5780] __se_sys_mount+0x722/0x810 [ 192.642292][ T5780] __x64_sys_mount+0xe4/0x150 [ 192.647210][ T5780] x64_sys_call+0x39bf/0x3c30 [ 192.652171][ T5780] do_syscall_64+0xcd/0x1e0 [ 192.656993][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 192.663160][ T5780] [ 192.665693][ T5780] Uninit was created at: [ 192.670205][ T5780] ___kmalloc_large_node+0x22c/0x370 [ 192.675790][ T5780] __kmalloc_large_node_noprof+0x3f/0x1e0 [ 192.681710][ T5780] __kmalloc_node_noprof+0xc96/0x1250 [ 192.687351][ T5780] __kvmalloc_node_noprof+0xc0/0x2d0 [ 192.692803][ T5780] __bch2_btree_node_mem_alloc+0x2be/0xa80 [ 192.698941][ T5780] bch2_fs_btree_cache_init+0x4e4/0xb50 [ 192.704672][ T5780] bch2_fs_open+0x4d3a/0x5b40 [ 192.709596][ T5780] bch2_fs_get_tree+0x983/0x22d0 [ 192.714699][ T5780] vfs_get_tree+0xb1/0x5a0 [ 192.719567][ T5780] do_new_mount+0x71f/0x15e0 [ 192.724310][ T5780] path_mount+0x742/0x1f10 [ 192.728985][ T5780] __se_sys_mount+0x722/0x810 [ 192.733818][ T5780] __x64_sys_mount+0xe4/0x150 [ 192.738769][ T5780] x64_sys_call+0x39bf/0x3c30 [ 192.743640][ T5780] do_syscall_64+0xcd/0x1e0 [ 192.748397][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 192.754512][ T5780] [ 192.757087][ T5780] CPU: 1 UID: 0 PID: 5780 Comm: syz-executor143 Not tainted 6.13.0-rc6-syzkaller-00262-gb62cef9a5c67 #0 [ 192.768535][ T5780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 192.778925][ T5780] ===================================================== [ 192.786018][ T5780] Disabling lock debugging due to kernel taint [ 192.792291][ T5780] Kernel panic - not syncing: kmsan.panic set ... [ 192.798798][ T5780] CPU: 1 UID: 0 PID: 5780 Comm: syz-executor143 Tainted: G B 6.13.0-rc6-syzkaller-00262-gb62cef9a5c67 #0 [ 192.811570][ T5780] Tainted: [B]=BAD_PAGE [ 192.815818][ T5780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 192.825974][ T5780] Call Trace: [ 192.829337][ T5780] [ 192.832342][ T5780] dump_stack_lvl+0x216/0x2d0 [ 192.837185][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 192.843109][ T5780] dump_stack+0x1e/0x24 [ 192.847387][ T5780] panic+0x4e2/0xcf0 [ 192.851398][ T5780] ? kmsan_get_metadata+0xc1/0x1c0 [ 192.856644][ T5780] kmsan_report+0x2c7/0x2d0 [ 192.861306][ T5780] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 192.867258][ T5780] ? __msan_warning+0x95/0x120 [ 192.872160][ T5780] ? rw_aux_tree_set+0x4d2/0x580 [ 192.877197][ T5780] ? rw_aux_tree_insert_entry+0x6c3/0x970 [ 192.883032][ T5780] ? bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 192.889130][ T5780] ? bch2_bset_insert+0x1621/0x19f0 [ 192.894430][ T5780] ? bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 192.900536][ T5780] ? bch2_btree_insert_key_leaf+0x276/0x1050 [ 192.906830][ T5780] ? __bch2_trans_commit+0xaf5e/0xd190 [ 192.912434][ T5780] ? bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 192.918993][ T5780] ? bch2_trans_mark_dev_sb+0x858/0x10e0 [ 192.924752][ T5780] ? bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 192.931069][ T5780] ? bch2_trans_mark_dev_sbs+0x32/0x40 [ 192.936675][ T5780] ? bch2_fs_initialize+0x19bd/0x35d0 [ 192.942227][ T5780] ? bch2_fs_start+0x77d/0xbd0 [ 192.947146][ T5780] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 192.952460][ T5780] ? vfs_get_tree+0xb1/0x5a0 [ 192.957175][ T5780] ? do_new_mount+0x71f/0x15e0 [ 192.962061][ T5780] ? path_mount+0x742/0x1f10 [ 192.966757][ T5780] ? __se_sys_mount+0x722/0x810 [ 192.971731][ T5780] ? __x64_sys_mount+0xe4/0x150 [ 192.976732][ T5780] ? x64_sys_call+0x39bf/0x3c30 [ 192.981726][ T5780] ? do_syscall_64+0xcd/0x1e0 [ 192.986522][ T5780] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 192.992727][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 192.998656][ T5780] ? filter_irq_stacks+0x164/0x1a0 [ 193.003892][ T5780] ? stack_depot_save_flags+0x2c/0x750 [ 193.009498][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.014796][ T5780] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 193.021274][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.026586][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 193.032607][ T5780] __msan_warning+0x95/0x120 [ 193.037332][ T5780] rw_aux_tree_set+0x4d2/0x580 [ 193.042215][ T5780] ? bset_aux_tree_verify+0x44d/0x4a0 [ 193.047705][ T5780] rw_aux_tree_insert_entry+0x6c3/0x970 [ 193.053409][ T5780] bch2_bset_fix_lookup_table+0xecc/0x13e0 [ 193.059333][ T5780] ? bch2_bkey_pack_key+0x1745/0x1860 [ 193.064849][ T5780] bch2_bset_insert+0x1621/0x19f0 [ 193.069979][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.075338][ T5780] bch2_btree_bset_insert_key+0xf4e/0x2b60 [ 193.081291][ T5780] ? __msan_memcpy+0x108/0x1c0 [ 193.086320][ T5780] bch2_btree_insert_key_leaf+0x276/0x1050 [ 193.092299][ T5780] __bch2_trans_commit+0xaf5e/0xd190 [ 193.097742][ T5780] bch2_trans_mark_metadata_bucket+0x8c7/0x2430 [ 193.104141][ T5780] ? bch2_trans_start_alloc_update_noupdate+0x179/0x12f0 [ 193.111314][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.116623][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 193.122548][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.127857][ T5780] ? kmsan_internal_set_shadow_origin+0x50/0x100 [ 193.134360][ T5780] bch2_trans_mark_dev_sb+0x858/0x10e0 [ 193.140071][ T5780] bch2_trans_mark_dev_sbs_flags+0x3e5/0x9f0 [ 193.146231][ T5780] bch2_trans_mark_dev_sbs+0x32/0x40 [ 193.151639][ T5780] bch2_fs_initialize+0x19bd/0x35d0 [ 193.156955][ T5780] ? kmsan_internal_poison_memory+0x49/0x90 [ 193.162990][ T5780] ? kmsan_slab_free+0xd0/0x140 [ 193.167975][ T5780] ? kfree+0x240/0xdb0 [ 193.172260][ T5780] ? bch2_printbuf_exit+0x9b/0xd0 [ 193.177477][ T5780] ? print_mount_opts+0x4ca/0x4f0 [ 193.182641][ T5780] ? bch2_fs_start+0x59/0xbd0 [ 193.187465][ T5780] ? bch2_fs_get_tree+0x13ea/0x22d0 [ 193.192823][ T5780] ? vfs_get_tree+0xb1/0x5a0 [ 193.197546][ T5780] ? do_new_mount+0x71f/0x15e0 [ 193.202410][ T5780] ? path_mount+0x742/0x1f10 [ 193.207091][ T5780] ? __se_sys_mount+0x722/0x810 [ 193.212039][ T5780] ? __x64_sys_mount+0xe4/0x150 [ 193.217019][ T5780] ? x64_sys_call+0x39bf/0x3c30 [ 193.222072][ T5780] ? do_syscall_64+0xcd/0x1e0 [ 193.226923][ T5780] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 193.233150][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.238513][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 193.244447][ T5780] ? kfree+0x1a7/0xdb0 [ 193.248689][ T5780] ? filter_irq_stacks+0x60/0x1a0 [ 193.253859][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.259183][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.264487][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 193.270404][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.275701][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.281008][ T5780] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 193.286955][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.292259][ T5780] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 193.298721][ T5780] ? llist_reverse_order+0x102/0x130 [ 193.304111][ T5780] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 193.310580][ T5780] ? __closure_wake_up+0x16a/0x180 [ 193.315816][ T5780] bch2_fs_start+0x77d/0xbd0 [ 193.320543][ T5780] bch2_fs_get_tree+0x13ea/0x22d0 [ 193.325765][ T5780] vfs_get_tree+0xb1/0x5a0 [ 193.330362][ T5780] ? mount_capable+0x97/0x120 [ 193.335178][ T5780] do_new_mount+0x71f/0x15e0 [ 193.339894][ T5780] ? kmsan_get_metadata+0x13e/0x1c0 [ 193.345209][ T5780] path_mount+0x742/0x1f10 [ 193.349769][ T5780] ? user_path_at+0x374/0x3e0 [ 193.354567][ T5780] __se_sys_mount+0x722/0x810 [ 193.359374][ T5780] ? ptrace_notify+0x263/0x320 [ 193.364347][ T5780] __x64_sys_mount+0xe4/0x150 [ 193.369127][ T5780] x64_sys_call+0x39bf/0x3c30 [ 193.373938][ T5780] do_syscall_64+0xcd/0x1e0 [ 193.378549][ T5780] ? clear_bhb_loop+0x25/0x80 [ 193.383362][ T5780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 193.389396][ T5780] RIP: 0033:0x7fa3440c0dea [ 193.393918][ T5780] 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 [ 193.413711][ T5780] RSP: 002b:00007ffd12a52ac8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 193.422252][ T5780] RAX: ffffffffffffffda RBX: 00007ffd12a52ae0 RCX: 00007fa3440c0dea [ 193.430325][ T5780] RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007ffd12a52ae0 [ 193.438410][ T5780] RBP: 0000000000000004 R08: 00007ffd12a52b20 R09: 00000000000059d0 [ 193.446524][ T5780] R10: 0000000000000018 R11: 0000000000000282 R12: 0000000000000018 [ 193.454613][ T5780] R13: 00007ffd12a52b20 R14: 0000000000000003 R15: 0000000001000000 [ 193.462688][ T5780] [ 193.465949][ T5780] Kernel Offset: disabled [ 193.470340][ T5780] Rebooting in 86400 seconds..