ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1443! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5310 Comm: syz-executor337 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 65 21 1a fe 90 0f 0b e8 5d 21 1a fe 90 0f 0b e8 55 21 1a fe 90 0f 0b e8 4d 21 1a fe 90 0f 0b e8 45 21 1a fe 90 <0f> 0b e8 3d 21 1a fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d256a80 EFLAGS: 00010293 RAX: ffffffff83a63dab RBX: 0000000000000000 RCX: ffff8880003fc880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000d256d10 R08: ffffc9000d256da0 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888033fe0088 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110067fc011 FS: 0000555564424380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1eb21909c0 CR3: 00000000441a4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2458 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0xf1e/0x4640 fs/ocfs2/suballoc.c:834 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:984 ocfs2_init_xattr_set_ctxt+0x307/0x700 fs/ocfs2/xattr.c:3277 ocfs2_xattr_set+0xb70/0x11f0 fs/ocfs2/xattr.c:3634 __vfs_setxattr+0x43c/0x480 fs/xattr.c:200 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234 vfs_setxattr+0x16b/0x2f0 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x274/0x600 fs/xattr.c:665 path_setxattrat+0x364/0x3a0 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3cbd623ad9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff675fd288 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007f3cbd623ad9 RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000200000000140 RBP: 0031656c69662f2e R08: 0000000000000000 R09: 00005555644254c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff675fd2b0 R13: 00007fff675fd4d8 R14: 431bde82d7b634db R15: 00007f3cbd66c03b Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996 Code: c2 fb ff ff e8 65 21 1a fe 90 0f 0b e8 5d 21 1a fe 90 0f 0b e8 55 21 1a fe 90 0f 0b e8 4d 21 1a fe 90 0f 0b e8 45 21 1a fe 90 <0f> 0b e8 3d 21 1a fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d256a80 EFLAGS: 00010293 RAX: ffffffff83a63dab RBX: 0000000000000000 RCX: ffff8880003fc880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000d256d10 R08: ffffc9000d256da0 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888033fe0088 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110067fc011 FS: 0000555564424380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1eb21909c0 CR3: 00000000441a4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400