------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1443! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5364 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-04405-g4b290aae788e #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 45 ce 19 fe 90 0f 0b e8 3d ce 19 fe 90 0f 0b e8 35 ce 19 fe 90 0f 0b e8 2d ce 19 fe 90 0f 0b e8 25 ce 19 fe 90 <0f> 0b e8 1d ce 19 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000f4d6b00 EFLAGS: 00010293 RAX: ffffffff83a5f7eb RBX: 0000000000000000 RCX: ffff8880004cc880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000f4d6d90 R08: ffffc9000f4d6e00 R09: 0000000000000000 R10: ffffc9000f4d6e00 R11: fffff52001e9adc5 R12: ffff888011a17f08 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11002342fe1 FS: 00007f772a1676c0(0000) GS:ffff88808d27b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f771d5ba000 CR3: 00000000436f6000 CR4: 0000000000352ef0 Call Trace: ocfs2_claim_metadata+0x178/0x4c0 fs/ocfs2/suballoc.c:2082 ocfs2_create_xattr_block+0x1ed/0xbc0 fs/ocfs2/xattr.c:2883 ocfs2_xattr_block_set+0x241/0x2bc0 fs/ocfs2/xattr.c:2965 __ocfs2_xattr_set_handle+0x661/0xf20 fs/ocfs2/xattr.c:3387 ocfs2_xattr_set+0xde8/0x11f0 fs/ocfs2/xattr.c:3650 __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_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750 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: 0033:0x7f772938e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f772a167038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007f77295b6160 RCX: 00007f772938e9a9 RDX: 0000200000000900 RSI: 00002000000000c0 RDI: 0000200000000000 RBP: 00007f7729410d69 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000051 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f77295b6160 R15: 00007ffcf249ff08 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 45 ce 19 fe 90 0f 0b e8 3d ce 19 fe 90 0f 0b e8 35 ce 19 fe 90 0f 0b e8 2d ce 19 fe 90 0f 0b e8 25 ce 19 fe 90 <0f> 0b e8 1d ce 19 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000f4d6b00 EFLAGS: 00010293 RAX: ffffffff83a5f7eb RBX: 0000000000000000 RCX: ffff8880004cc880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000f4d6d90 R08: ffffc9000f4d6e00 R09: 0000000000000000 R10: ffffc9000f4d6e00 R11: fffff52001e9adc5 R12: ffff888011a17f08 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11002342fe1 FS: 00007f772a1676c0(0000) GS:ffff88808d27b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000436f6000 CR4: 0000000000352ef0