(syz.0.0,5347,0):__ocfs2_journal_access:727 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5347,0):ocfs2_write_end_nolock:1942 ERROR: status = -30 (syz.0.0,5347,0):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: 5347 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:ffffc9000d5b7820 EFLAGS: 00010293 RAX: ffffffff83a0b4a6 RBX: 00000000ffffffe2 RCX: ffff888032c9a440 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d5b79c0 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: ffffea00015057c0 R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000001000 FS: 000055557d164500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000003ff6 CR3: 0000000042f79000 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: 0033:0x7fca61157db5 Code: fe 28 6f 06 48 83 fa 40 0f 87 a7 00 00 00 62 e1 fe 28 6f 4c 16 ff 62 e1 fe 28 7f 07 62 e1 fe 28 7f 4c 17 ff c3 8b 0e 8b 34 16 <89> 0f 89 34 17 c3 0f 1f 44 00 00 83 fa 10 73 21 83 fa 08 73 36 48 RSP: 002b:00007ffdba5ccff8 EFLAGS: 00010246 RAX: 0000200000003ff6 RBX: 0000000000000004 RCX: 00000000004c5047 RDX: 0000000000000000 RSI: 00000000004c5047 RDI: 0000200000003ff6 RBP: 00007ffdba5cd0c8 R08: 00007fca60fff02c R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000009 R12: 00007fca613b5fac R13: 00007fca613b5fa0 R14: fffffffffffffffe R15: 00007ffdba5cd110 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:ffffc9000d5b7820 EFLAGS: 00010293 RAX: ffffffff83a0b4a6 RBX: 00000000ffffffe2 RCX: ffff888032c9a440 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d5b79c0 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: ffffea00015057c0 R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000001000 FS: 000055557d164500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000003ff6 CR3: 0000000042f79000 CR4: 0000000000352ef0