Aborting journal on device loop0-75. Buffer I/O error on dev loop0, logical block 640, lost sync page write JBD2: I/O error when updating journal superblock for loop0-75. (syz.0.0,5335,0):__ocfs2_journal_access:727 ERROR: Error -5 getting 1 access to buffer! (syz.0.0,5335,0):ocfs2_rotate_rightmost_leaf_left:2901 ERROR: status = -5 (syz.0.0,5335,0):ocfs2_rotate_tree_left:3180 ERROR: status = -5 (syz.0.0,5335,0):ocfs2_try_to_merge_extent:3829 ERROR: status = -5 (syz.0.0,5335,0):__ocfs2_journal_access:727 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5335,0):ocfs2_write_end_nolock:1942 ERROR: status = -30 (syz.0.0,5335,0):ocfs2_commit_trans:404 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/mmap.c:107! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #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_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xc37/0xc40 fs/ocfs2/mmap.c:144 Code: 07 e8 ed 7e 1f fe eb 0d 48 ff cb e8 e3 7e 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 ca 7e 1f fe 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000f5ff820 EFLAGS: 00010293 RAX: ffffffff83a0b4a6 RBX: 00000000ffffffe2 RCX: ffff888033994880 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000f5ff9c0 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: ffffea0001510fc0 R13: 000000000400000e R14: 0000000000000000 R15: 0000000000001000 FS: 000055558c0f3500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a61895660 CR3: 000000004351a000 CR4: 0000000000352ef0 Call Trace: do_page_mkwrite+0x14a/0x310 mm/memory.c:3378 wp_page_shared mm/memory.c:3779 [inline] do_wp_page+0x268d/0x5800 mm/memory.c:3998 handle_pte_fault mm/memory.c:6085 [inline] __handle_mm_fault+0x1144/0x5620 mm/memory.c:6212 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6381 do_user_addr_fault+0x764/0x1390 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f3d8be64f59 Code: ff ff ff 01 64 48 8b 04 25 00 00 00 00 48 8d b8 c8 fe ff ff e8 48 59 0c 00 85 c0 75 10 48 8b 44 24 68 48 8b b4 24 98 00 00 00 <48> 89 30 64 f0 83 2c 25 90 ff ff ff 01 48 8b 84 24 80 00 00 00 48 RSP: 002b:00007ffd4431fd30 EFLAGS: 00010246 RAX: 0000200000003c40 RBX: 0000000000000002 RCX: ffffffffffffff7f RDX: 0ef806d176b63a42 RSI: 0000200000000080 RDI: 000055558c0f33c8 RBP: 00007f3d8c1b7ba0 R08: 00007f3d8bdff030 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000001 R12: 00007f3d8c1b5fac R13: 00007f3d8c1b5fa0 R14: fffffffffffffffe R15: 00007ffd4431fe40 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xc37/0xc40 fs/ocfs2/mmap.c:144 Code: 07 e8 ed 7e 1f fe eb 0d 48 ff cb e8 e3 7e 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 ca 7e 1f fe 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000f5ff820 EFLAGS: 00010293 RAX: ffffffff83a0b4a6 RBX: 00000000ffffffe2 RCX: ffff888033994880 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000f5ff9c0 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: ffffea0001510fc0 R13: 000000000400000e R14: 0000000000000000 R15: 0000000000001000 FS: 000055558c0f3500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a98cfb168 CR3: 000000004351a000 CR4: 0000000000352ef0