loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. sctp: [Deprecated]: syz.0.0 (pid 5356) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1443! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00111-g24ea63ea3877 #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 15 24 17 fe 90 0f 0b e8 0d 24 17 fe 90 0f 0b e8 05 24 17 fe 90 0f 0b e8 fd 23 17 fe 90 0f 0b e8 f5 23 17 fe 90 <0f> 0b e8 ed 23 17 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d44e7e0 EFLAGS: 00010283 RAX: ffffffff83a8974b RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000df7a000 RSI: 0000000000000903 RDI: 0000000000000904 RBP: ffffc9000d44ea70 R08: ffffc9000d44eb00 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff888011a21788 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110023442f1 FS: 00007fc9fe4186c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc3374e000 CR3: 000000003f5cc000 CR4: 0000000000352ef0 Call Trace: __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421 ocfs2_local_alloc_new_window fs/ocfs2/localalloc.c:1166 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1295 [inline] ocfs2_reserve_local_alloc_bits+0x12be/0x24e0 fs/ocfs2/localalloc.c:669 ocfs2_reserve_clusters_with_limit+0x1be/0xba0 fs/ocfs2/suballoc.c:1168 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1229 [inline] ocfs2_lock_allocators+0x2fa/0x5c0 fs/ocfs2/suballoc.c:2772 ocfs2_extend_allocation+0x39b/0x17a0 fs/ocfs2/file.c:589 ocfs2_allocate_unwritten_extents+0x2e9/0x7b0 fs/ocfs2/file.c:1496 __ocfs2_change_file_space+0x901/0xe80 fs/ocfs2/file.c:2023 ocfs2_fallocate+0x1f5/0x240 fs/ocfs2/file.c:2138 vfs_fallocate+0x666/0x7e0 fs/open.c:342 ioctl_preallocate fs/ioctl.c:290 [inline] file_ioctl+0x611/0x780 fs/ioctl.c:-1 do_vfs_ioctl+0xb33/0x1430 fs/ioctl.c:577 __do_sys_ioctl fs/ioctl.c:596 [inline] __se_sys_ioctl+0x82/0x170 fs/ioctl.c:584 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: 0033:0x7fc9fd58ebe9 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:00007fc9fe418038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc9fd7b5fa0 RCX: 00007fc9fd58ebe9 RDX: 0000200000000000 RSI: 0000000040305828 RDI: 0000000000000007 RBP: 00007fc9fd611e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc9fd7b6038 R14: 00007fc9fd7b5fa0 R15: 00007ffffe0e6118 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 15 24 17 fe 90 0f 0b e8 0d 24 17 fe 90 0f 0b e8 05 24 17 fe 90 0f 0b e8 fd 23 17 fe 90 0f 0b e8 f5 23 17 fe 90 <0f> 0b e8 ed 23 17 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc9000d44e7e0 EFLAGS: 00010283 RAX: ffffffff83a8974b RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000df7a000 RSI: 0000000000000903 RDI: 0000000000000904 RBP: ffffc9000d44ea70 R08: ffffc9000d44eb00 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000002 R12: ffff888011a21788 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110023442f1 FS: 00007fc9fe4186c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9fe3f6fc8 CR3: 000000003f5cc000 CR4: 0000000000352ef0