./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2859372387 <...> Warning: Permanently added '10.128.1.73' (ED25519) to the list of known hosts. execve("./syz-executor2859372387", ["./syz-executor2859372387"], 0x7fff66b6e400 /* 10 vars */) = 0 brk(NULL) = 0x55555f4a8000 brk(0x55555f4a8d00) = 0x55555f4a8d00 arch_prctl(ARCH_SET_FS, 0x55555f4a8380) = 0 set_tid_address(0x55555f4a8650) = 5830 set_robust_list(0x55555f4a8660, 24) = 0 rseq(0x55555f4a8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2859372387", 4096) = 28 getrandom("\x75\x10\x8d\xc7\x82\xe8\xd3\xd2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555f4a8d00 brk(0x55555f4c9d00) = 0x55555f4c9d00 brk(0x55555f4ca000) = 0x55555f4ca000 mprotect(0x7f14fe1c3000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14f5c00000 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(0x7f14f5c00000, 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 [ 62.834082][ T5830] loop0: detected capacity change from 0 to 32768 [ 62.908625][ T5830] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 62.924442][ T5830] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 62.932707][ T5830] bcachefs (loop0): Version upgrade required: [ 62.932707][ T5830] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 62.932707][ T5830] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 62.932707][ T5830] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance [ 63.008748][ T5830] ------------[ cut here ]------------ [ 63.014376][ T5830] kernel BUG at fs/bcachefs/extents.h:62! [ 63.020248][ T5830] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.027183][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor285 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0 [ 63.038272][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.048343][ T5830] RIP: 0010:bch2_ptr_swab+0x4f6/0x510 [ 63.053731][ T5830] Code: 00 22 cf fd e9 ae fb ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 5f fc ff ff 4c 89 f7 e8 e5 21 cf fd e9 52 fc ff ff e8 5b 87 68 fd 90 <0f> 0b e8 53 87 68 fd 90 0f 0b e8 4b 87 68 fd 90 0f 0b 0f 1f 84 00 [ 63.073329][ T5830] RSP: 0018:ffffc900038ee4a0 EFLAGS: 00010293 [ 63.079382][ T5830] RAX: ffffffff842c5265 RBX: 0000000000000024 RCX: ffff888035748000 [ 63.087334][ T5830] RDX: 0000000000000000 RSI: 0000000000000024 RDI: 0000000000000005 [ 63.095303][ T5830] RBP: 1e0e005000000000 R08: ffffffff842c4f53 R09: ffffffff842c4dbe [ 63.103260][ T5830] R10: 0000000000000005 R11: ffff888035748000 R12: dffffc0000000000 [ 63.111234][ T5830] R13: ffff888077741050 R14: ffff888077741060 R15: 1ffff1100eee820a [ 63.119187][ T5830] FS: 000055555f4a8380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.128097][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.134660][ T5830] CR2: 000055782764e730 CR3: 00000000794fe000 CR4: 00000000003526f0 [ 63.142613][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.150562][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.158514][ T5830] Call Trace: [ 63.161774][ T5830] [ 63.164689][ T5830] ? __die_body+0x5f/0xb0 [ 63.169002][ T5830] ? die+0x9e/0xc0 [ 63.172701][ T5830] ? do_trap+0x15a/0x3a0 [ 63.176931][ T5830] ? bch2_ptr_swab+0x4f6/0x510 [ 63.181675][ T5830] ? do_error_trap+0x1dc/0x2c0 [ 63.186435][ T5830] ? bch2_ptr_swab+0x4f6/0x510 [ 63.191198][ T5830] ? __pfx_do_error_trap+0x10/0x10 [ 63.196303][ T5830] ? report_bug+0x3e8/0x500 [ 63.200799][ T5830] ? handle_invalid_op+0x34/0x40 [ 63.205743][ T5830] ? bch2_ptr_swab+0x4f6/0x510 [ 63.210487][ T5830] ? exc_invalid_op+0x38/0x50 [ 63.215148][ T5830] ? asm_exc_invalid_op+0x1a/0x20 [ 63.220153][ T5830] ? bch2_ptr_swab+0x4e/0x510 [ 63.224811][ T5830] ? bch2_ptr_swab+0x1e3/0x510 [ 63.229560][ T5830] ? bch2_ptr_swab+0x4f5/0x510 [ 63.234321][ T5830] ? bch2_ptr_swab+0x4f6/0x510 [ 63.239097][ T5830] ? __pfx_bch2_ptr_swab+0x10/0x10 [ 63.244201][ T5830] __bch2_bkey_compat+0x4a2/0xfe0 [ 63.249218][ T5830] ? __pfx___bch2_bkey_compat+0x10/0x10 [ 63.254746][ T5830] ? kfree+0x1a0/0x440 [ 63.258804][ T5830] ? bch2_printbuf_exit+0x6d/0xa0 [ 63.263827][ T5830] ? __btree_err+0x3cb/0x760 [ 63.268403][ T5830] ? __pfx___btree_err+0x10/0x10 [ 63.273327][ T5830] ? vsnprintf+0x948/0x1da0 [ 63.277823][ T5830] ? bch2_printbuf_exit+0x6d/0xa0 [ 63.282831][ T5830] ? rcu_is_watching+0x15/0xb0 [ 63.287598][ T5830] ? bch2_printbuf_exit+0x6d/0xa0 [ 63.292606][ T5830] ? kfree+0x4e/0x440 [ 63.296592][ T5830] validate_bset_keys+0x617/0x1610 [ 63.301692][ T5830] ? __pfx_validate_bset_keys+0x10/0x10 [ 63.307244][ T5830] ? bch2_bpos_to_text+0x295/0x3a0 [ 63.312344][ T5830] ? __pfx_bch2_bpos_to_text+0x10/0x10 [ 63.317788][ T5830] ? prt_str+0x4af/0x7d0 [ 63.322025][ T5830] ? bch2_btree_node_read_done+0x22d4/0x5e90 [ 63.328013][ T5830] bch2_btree_node_read_done+0x2402/0x5e90 [ 63.333836][ T5830] ? bch2_bkey_pick_read_device+0x221/0x1670 [ 63.339804][ T5830] ? __pfx_bch2_btree_node_read_done+0x10/0x10 [ 63.345964][ T5830] ? bch2_bkey_pick_read_device+0x137d/0x1670 [ 63.352032][ T5830] ? bch2_bkey_pick_read_device+0x221/0x1670 [ 63.358014][ T5830] ? __pfx_bch2_bkey_pick_read_device+0x10/0x10 [ 63.364244][ T5830] ? bch2_btree_ptr_v2_to_text+0x209/0x2f0 [ 63.370041][ T5830] ? __pfx_bch2_btree_ptr_v2_to_text+0x10/0x10 [ 63.376197][ T5830] btree_node_read_work+0x68b/0x1260 [ 63.381487][ T5830] ? __pfx_btree_node_read_work+0x10/0x10 [ 63.387225][ T5830] ? __bch2_time_stats_update+0x260/0x370 [ 63.392934][ T5830] ? __pfx_bch2_latency_acct+0x10/0x10 [ 63.398375][ T5830] ? bio_associate_blkg+0x6c/0x230 [ 63.403464][ T5830] bch2_btree_node_read+0x2433/0x2a10 [ 63.408819][ T5830] ? __pfx_lock_release+0x10/0x10 [ 63.413843][ T5830] ? bch2_trans_unlock+0x346/0x470 [ 63.418937][ T5830] ? __pfx_bch2_btree_node_read+0x10/0x10 [ 63.424650][ T5830] ? __pfx___bch2_btree_node_hash_insert+0x10/0x10 [ 63.431136][ T5830] ? bch2_trans_unlock+0x3a6/0x470 [ 63.436248][ T5830] bch2_btree_root_read+0x617/0x7a0 [ 63.441451][ T5830] ? __pfx_bch2_btree_root_read+0x10/0x10 [ 63.447151][ T5830] ? bch2_current_has_btree_trans+0x142/0x180 [ 63.453218][ T5830] read_btree_roots+0x296/0x840 [ 63.458052][ T5830] bch2_fs_recovery+0x2585/0x39c0 [ 63.463072][ T5830] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 63.468428][ T5830] ? __pfx_lock_release+0x10/0x10 [ 63.473435][ T5830] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 63.479045][ T5830] ? __pfx_lock_release+0x10/0x10 [ 63.484057][ T5830] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 63.489679][ T5830] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 63.495400][ T5830] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 63.501023][ T5830] ? llist_reverse_order+0x72/0x90 [ 63.506126][ T5830] bch2_fs_start+0x356/0x5b0 [ 63.510711][ T5830] bch2_fs_get_tree+0xd68/0x1710 [ 63.515651][ T5830] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 63.521027][ T5830] ? generic_parse_monolithic+0x387/0x400 [ 63.526742][ T5830] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 63.532367][ T5830] ? cap_capable+0x1b4/0x250 [ 63.536947][ T5830] ? safesetid_security_capable+0xb2/0x1d0 [ 63.542745][ T5830] vfs_get_tree+0x90/0x2b0 [ 63.547156][ T5830] do_new_mount+0x2be/0xb40 [ 63.551652][ T5830] ? __pfx_do_new_mount+0x10/0x10 [ 63.556669][ T5830] __se_sys_mount+0x2d6/0x3c0 [ 63.561342][ T5830] ? __pfx___se_sys_mount+0x10/0x10 [ 63.566531][ T5830] ? do_syscall_64+0x100/0x230 [ 63.571286][ T5830] ? __x64_sys_mount+0x20/0xc0 [ 63.576041][ T5830] do_syscall_64+0xf3/0x230 [ 63.580539][ T5830] ? clear_bhb_loop+0x35/0x90 [ 63.585210][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.591096][ T5830] RIP: 0033:0x7f14fe14bb7a [ 63.595513][ T5830] 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 [ 63.615107][ T5830] RSP: 002b:00007fff5dc109c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 63.623511][ T5830] RAX: ffffffffffffffda RBX: 00007fff5dc109e0 RCX: 00007f14fe14bb7a [ 63.631472][ T5830] RDX: 0000000020000000 RSI: 0000000020005900 RDI: 00007fff5dc109e0 [ 63.639433][ T5830] RBP: 0000000000000004 R08: 00007fff5dc10a20 R09: 000000000000590d [ 63.647397][ T5830] R10: 0000000000010000 R11: 0000000000000282 R12: 0000000000010000 [ 63.655358][ T5830] R13: 00007fff5dc10a20 R14: 0000000000000003 R15: 0000000001000000 [ 63.663326][ T5830] [ 63.666334][ T5830] Modules linked in: [ 63.670368][ T5830] ---[ end trace 0000000000000000 ]--- [ 63.675996][ T5830] RIP: 0010:bch2_ptr_swab+0x4f6/0x510 [ 63.681426][ T5830] Code: 00 22 cf fd e9 ae fb ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 5f fc ff ff 4c 89 f7 e8 e5 21 cf fd e9 52 fc ff ff e8 5b 87 68 fd 90 <0f> 0b e8 53 87 68 fd 90 0f 0b e8 4b 87 68 fd 90 0f 0b 0f 1f 84 00 [ 63.701076][ T5830] RSP: 0018:ffffc900038ee4a0 EFLAGS: 00010293 [ 63.707155][ T5830] RAX: ffffffff842c5265 RBX: 0000000000000024 RCX: ffff888035748000 [ 63.715168][ T5830] RDX: 0000000000000000 RSI: 0000000000000024 RDI: 0000000000000005 [ 63.723166][ T5830] RBP: 1e0e005000000000 R08: ffffffff842c4f53 R09: ffffffff842c4dbe [ 63.731190][ T5830] R10: 0000000000000005 R11: ffff888035748000 R12: dffffc0000000000 [ 63.739173][ T5830] R13: ffff888077741050 R14: ffff888077741060 R15: 1ffff1100eee820a [ 63.747203][ T5830] FS: 000055555f4a8380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.756158][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.762764][ T5830] CR2: 000055782764e730 CR3: 00000000794fe000 CR4: 00000000003526f0 [ 63.770778][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.778735][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.786751][ T5830] Kernel panic - not syncing: Fatal exception [ 63.793082][ T5830] Kernel Offset: disabled [ 63.797393][ T5830] Rebooting in 86400 seconds..