./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2899622928 <...> Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. execve("./syz-executor2899622928", ["./syz-executor2899622928"], 0x7fffe9dd51a0 /* 10 vars */) = 0 brk(NULL) = 0x55557092a000 brk(0x55557092ad00) = 0x55557092ad00 arch_prctl(ARCH_SET_FS, 0x55557092a380) = 0 set_tid_address(0x55557092a650) = 5076 set_robust_list(0x55557092a660, 24) = 0 rseq(0x55557092aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2899622928", 4096) = 28 getrandom("\x11\x84\x68\x24\x50\x0e\x8a\x18", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557092ad00 brk(0x55557094bd00) = 0x55557094bd00 brk(0x55557094c000) = 0x55557094c000 mprotect(0x7f241b31c000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2412e00000 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 munmap(0x7f2412e00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 [ 77.322284][ T5076] loop0: detected capacity change from 0 to 32768 [ 77.431824][ T5076] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,nojournal_transaction_names [ 77.446028][ T5076] ------------[ cut here ]------------ [ 77.451802][ T5076] UBSAN: shift-out-of-bounds in fs/bcachefs/bkey_methods.c:174:2 [ 77.459656][ T5076] shift exponent 255 is too large for 64-bit type 'unsigned long long' [ 77.467940][ T5076] CPU: 0 PID: 5076 Comm: syz-executor289 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0 [ 77.478390][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 77.488501][ T5076] Call Trace: [ 77.491831][ T5076] [ 77.494814][ T5076] dump_stack_lvl+0x241/0x360 [ 77.499539][ T5076] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.504756][ T5076] ? __pfx__printk+0x10/0x10 [ 77.509372][ T5076] ? bch2_bkey_ptrs_invalid+0x14a0/0x1a00 [ 77.515148][ T5076] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 [ 77.521615][ T5076] __bch2_bkey_invalid+0x70f/0x740 [ 77.526759][ T5076] bch2_bkey_invalid+0x3b/0x200 [ 77.531655][ T5076] journal_validate_key+0x73a/0xec0 [ 77.536942][ T5076] ? __pfx_journal_validate_key+0x10/0x10 [ 77.542735][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 77.547792][ T5076] ? rcu_is_watching+0x15/0xb0 [ 77.552603][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 77.557687][ T5076] ? kfree+0x4e/0x3a0 [ 77.561713][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 77.566799][ T5076] ? journal_entry_dev_usage_validate+0x53f/0x890 [ 77.573306][ T5076] journal_entry_btree_root_validate+0x165/0x480 [ 77.579763][ T5076] ? __pfx_journal_entry_btree_root_validate+0x10/0x10 [ 77.586656][ T5076] ? rcu_is_watching+0x15/0xb0 [ 77.591449][ T5076] ? trace_kmalloc+0x1f/0xd0 [ 77.596067][ T5076] ? __kmalloc_node_track_caller+0x26b/0x4e0 [ 77.602064][ T5076] ? bch2_read_superblock_clean+0xa0/0x4c0 [ 77.607884][ T5076] ? kmemdup+0x45/0x60 [ 77.612086][ T5076] ? bch2_journal_entry_validate+0x6a/0xf0 [ 77.617953][ T5076] bch2_read_superblock_clean+0x1b9/0x4c0 [ 77.623749][ T5076] bch2_fs_recovery+0x1e8/0x6390 [ 77.628847][ T5076] ? mark_lock+0x9a/0x350 [ 77.633203][ T5076] ? __lock_acquire+0x1346/0x1fd0 [ 77.638238][ T5076] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 77.643651][ T5076] ? __pfx_lock_acquire+0x10/0x10 [ 77.648691][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 77.654337][ T5076] ? __pfx_lock_release+0x10/0x10 [ 77.659370][ T5076] ? __mutex_lock+0x2ef/0xd70 [ 77.664066][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 77.669816][ T5076] ? bch2_get_next_online_dev+0x47f/0x4b0 [ 77.675600][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 77.681270][ T5076] ? llist_reverse_order+0x72/0x90 [ 77.686406][ T5076] bch2_fs_start+0x356/0x5b0 [ 77.691026][ T5076] bch2_fs_open+0xa8d/0xdf0 [ 77.695609][ T5076] ? __pfx_bch2_fs_open+0x10/0x10 [ 77.700693][ T5076] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.707101][ T5076] ? __pfx_bch2_test_super+0x10/0x10 [ 77.712441][ T5076] ? sget+0x2b8/0x620 [ 77.716444][ T5076] ? __pfx_bch2_noset_super+0x10/0x10 [ 77.721832][ T5076] bch2_mount+0x71d/0x1320 [ 77.726283][ T5076] ? __pfx_bch2_mount+0x10/0x10 [ 77.731165][ T5076] ? vfs_parse_fs_string+0x190/0x230 [ 77.736493][ T5076] ? kfree+0x4e/0x3a0 [ 77.740615][ T5076] ? vfs_parse_fs_string+0x190/0x230 [ 77.745930][ T5076] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 77.751590][ T5076] ? cap_capable+0x1b4/0x250 [ 77.756204][ T5076] legacy_get_tree+0xee/0x190 [ 77.760911][ T5076] ? __pfx_bch2_mount+0x10/0x10 [ 77.765805][ T5076] vfs_get_tree+0x90/0x2a0 [ 77.770316][ T5076] do_new_mount+0x2be/0xb40 [ 77.774857][ T5076] ? ns_capable+0x8a/0xf0 [ 77.779225][ T5076] ? __pfx_do_new_mount+0x10/0x10 [ 77.784295][ T5076] __se_sys_mount+0x2d9/0x3c0 [ 77.789016][ T5076] ? __pfx___se_sys_mount+0x10/0x10 [ 77.794231][ T5076] ? do_syscall_64+0x102/0x240 [ 77.799050][ T5076] ? __x64_sys_mount+0x20/0xc0 [ 77.803824][ T5076] do_syscall_64+0xf5/0x240 [ 77.808365][ T5076] ? clear_bhb_loop+0x35/0x90 [ 77.813098][ T5076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.819045][ T5076] RIP: 0033:0x7f241b297bba [ 77.823519][ T5076] 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 [ 77.843234][ T5076] RSP: 002b:00007ffe72e34988 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 77.851686][ T5076] RAX: ffffffffffffffda RBX: 00007ffe72e349a0 RCX: 00007f241b297bba [ 77.859691][ T5076] RDX: 0000000020011a00 RSI: 0000000020011a40 RDI: 00007ffe72e349a0 [ 77.867809][ T5076] RBP: 0000000000000004 R08: 00007ffe72e349e0 R09: 00000000000119f0 [ 77.875841][ T5076] R10: 0000000002000002 R11: 0000000000000282 R12: 0000000002000002 [ 77.883850][ T5076] R13: 00007ffe72e349e0 R14: 0000000000000003 R15: 0000000001000000 [ 77.891883][ T5076] [ 77.895909][ T5076] ---[ end trace ]--- [ 77.899999][ T5076] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 77.907222][ T5076] CPU: 0 PID: 5076 Comm: syz-executor289 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0 [ 77.917644][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 77.927711][ T5076] Call Trace: [ 77.931094][ T5076] [ 77.934048][ T5076] dump_stack_lvl+0x241/0x360 [ 77.938858][ T5076] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.944131][ T5076] ? __pfx__printk+0x10/0x10 [ 77.948775][ T5076] ? vprintk_emit+0x631/0x770 [ 77.953521][ T5076] ? vscnprintf+0x5d/0x90 [ 77.957909][ T5076] panic+0x349/0x860 [ 77.961878][ T5076] ? check_panic_on_warn+0x21/0xb0 [ 77.967055][ T5076] ? __pfx_panic+0x10/0x10 [ 77.971533][ T5076] ? _printk+0xd5/0x120 [ 77.975728][ T5076] ? __pfx__printk+0x10/0x10 [ 77.980333][ T5076] ? bch2_bkey_ptrs_invalid+0x14a0/0x1a00 [ 77.986069][ T5076] check_panic_on_warn+0x86/0xb0 [ 77.991025][ T5076] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 [ 77.997468][ T5076] __bch2_bkey_invalid+0x70f/0x740 [ 78.002633][ T5076] bch2_bkey_invalid+0x3b/0x200 [ 78.007546][ T5076] journal_validate_key+0x73a/0xec0 [ 78.012784][ T5076] ? __pfx_journal_validate_key+0x10/0x10 [ 78.018613][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 78.023693][ T5076] ? rcu_is_watching+0x15/0xb0 [ 78.028654][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 78.033724][ T5076] ? kfree+0x4e/0x3a0 [ 78.037741][ T5076] ? bch2_printbuf_exit+0x6d/0xa0 [ 78.042794][ T5076] ? journal_entry_dev_usage_validate+0x53f/0x890 [ 78.049445][ T5076] journal_entry_btree_root_validate+0x165/0x480 [ 78.055839][ T5076] ? __pfx_journal_entry_btree_root_validate+0x10/0x10 [ 78.062742][ T5076] ? rcu_is_watching+0x15/0xb0 [ 78.067557][ T5076] ? trace_kmalloc+0x1f/0xd0 [ 78.072204][ T5076] ? __kmalloc_node_track_caller+0x26b/0x4e0 [ 78.078241][ T5076] ? bch2_read_superblock_clean+0xa0/0x4c0 [ 78.084112][ T5076] ? kmemdup+0x45/0x60 [ 78.088236][ T5076] ? bch2_journal_entry_validate+0x6a/0xf0 [ 78.094090][ T5076] bch2_read_superblock_clean+0x1b9/0x4c0 [ 78.099841][ T5076] bch2_fs_recovery+0x1e8/0x6390 [ 78.104789][ T5076] ? mark_lock+0x9a/0x350 [ 78.109161][ T5076] ? __lock_acquire+0x1346/0x1fd0 [ 78.114223][ T5076] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 78.119637][ T5076] ? __pfx_lock_acquire+0x10/0x10 [ 78.124672][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 78.130314][ T5076] ? __pfx_lock_release+0x10/0x10 [ 78.135366][ T5076] ? __mutex_lock+0x2ef/0xd70 [ 78.140067][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 78.145706][ T5076] ? bch2_get_next_online_dev+0x47f/0x4b0 [ 78.151441][ T5076] ? bch2_get_next_online_dev+0x48/0x4b0 [ 78.157093][ T5076] ? llist_reverse_order+0x72/0x90 [ 78.162250][ T5076] bch2_fs_start+0x356/0x5b0 [ 78.166879][ T5076] bch2_fs_open+0xa8d/0xdf0 [ 78.171412][ T5076] ? __pfx_bch2_fs_open+0x10/0x10 [ 78.176482][ T5076] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.182872][ T5076] ? __pfx_bch2_test_super+0x10/0x10 [ 78.188234][ T5076] ? sget+0x2b8/0x620 [ 78.192243][ T5076] ? __pfx_bch2_noset_super+0x10/0x10 [ 78.197626][ T5076] bch2_mount+0x71d/0x1320 [ 78.202068][ T5076] ? __pfx_bch2_mount+0x10/0x10 [ 78.206937][ T5076] ? vfs_parse_fs_string+0x190/0x230 [ 78.212230][ T5076] ? kfree+0x4e/0x3a0 [ 78.216252][ T5076] ? vfs_parse_fs_string+0x190/0x230 [ 78.221562][ T5076] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 78.227225][ T5076] ? cap_capable+0x1b4/0x250 [ 78.231838][ T5076] legacy_get_tree+0xee/0x190 [ 78.236560][ T5076] ? __pfx_bch2_mount+0x10/0x10 [ 78.241549][ T5076] vfs_get_tree+0x90/0x2a0 [ 78.246012][ T5076] do_new_mount+0x2be/0xb40 [ 78.250534][ T5076] ? ns_capable+0x8a/0xf0 [ 78.254892][ T5076] ? __pfx_do_new_mount+0x10/0x10 [ 78.259931][ T5076] __se_sys_mount+0x2d9/0x3c0 [ 78.264619][ T5076] ? __pfx___se_sys_mount+0x10/0x10 [ 78.269822][ T5076] ? do_syscall_64+0x102/0x240 [ 78.274603][ T5076] ? __x64_sys_mount+0x20/0xc0 [ 78.279404][ T5076] do_syscall_64+0xf5/0x240 [ 78.283995][ T5076] ? clear_bhb_loop+0x35/0x90 [ 78.288696][ T5076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.294634][ T5076] RIP: 0033:0x7f241b297bba [ 78.299097][ T5076] 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 [ 78.318778][ T5076] RSP: 002b:00007ffe72e34988 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 78.327238][ T5076] RAX: ffffffffffffffda RBX: 00007ffe72e349a0 RCX: 00007f241b297bba [ 78.335266][ T5076] RDX: 0000000020011a00 RSI: 0000000020011a40 RDI: 00007ffe72e349a0 [ 78.343493][ T5076] RBP: 0000000000000004 R08: 00007ffe72e349e0 R09: 00000000000119f0 [ 78.351479][ T5076] R10: 0000000002000002 R11: 0000000000000282 R12: 0000000002000002 [ 78.359569][ T5076] R13: 00007ffe72e349e0 R14: 0000000000000003 R15: 0000000001000000 [ 78.367592][ T5076] [ 78.370942][ T5076] Kernel Offset: disabled [ 78.375326][ T5076] Rebooting in 86400 seconds..