ERROR: (device loop1): remounting filesystem as read-only read_mapping_page failed! bread failed! BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:528! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6190 Comm: syz.1.35 Not tainted 6.14.0-rc6-syzkaller-00016-g0fed89a961ea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:txEnd+0x557/0x560 fs/jfs/jfs_txnmgr.c:528 Code: e9 cd fe ff ff e8 79 9a 68 fe 48 c7 c7 c0 41 63 8c 48 c7 c6 b9 3d 63 8c ba 10 02 00 00 48 c7 c1 00 42 63 8c e8 aa bd cd fd 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b887630 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 000000000000000b RCX: 5e96230263e52700 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff920004ed249 R08: ffffffff81a1352c R09: fffffbfff1d3a69c R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000 R13: 0000000000000002 R14: ffffc90002769248 R15: 0000000000000220 FS: 00007fe91cda16c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9bee889000 CR3: 000000002832a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_truncate_nolock+0x2f3/0x390 fs/jfs/inode.c:391 jfs_truncate fs/jfs/inode.c:412 [inline] jfs_write_failed+0x11a/0x190 fs/jfs/inode.c:289 jfs_direct_IO+0x1b6/0x1e0 fs/jfs/inode.c:342 generic_file_direct_write+0x1e6/0x400 mm/filemap.c:4111 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4275 generic_file_write_iter+0x10c/0x5e0 mm/filemap.c:4315 do_iter_readv_writev+0x71a/0x9d0 vfs_writev+0x38b/0xbc0 fs/read_write.c:1050 do_pwritev fs/read_write.c:1146 [inline] __do_sys_pwritev2 fs/read_write.c:1204 [inline] __se_sys_pwritev2+0x196/0x2b0 fs/read_write.c:1195 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe91bf8d169 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:00007fe91cda1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fe91c1a5fa0 RCX: 00007fe91bf8d169 RDX: 0000000000000001 RSI: 0000400000000240 RDI: 0000000000000004 RBP: 00007fe91c00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000001400 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe91c1a5fa0 R15: 00007ffea6bae0e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x557/0x560 fs/jfs/jfs_txnmgr.c:528 Code: e9 cd fe ff ff e8 79 9a 68 fe 48 c7 c7 c0 41 63 8c 48 c7 c6 b9 3d 63 8c ba 10 02 00 00 48 c7 c1 00 42 63 8c e8 aa bd cd fd 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b887630 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 000000000000000b RCX: 5e96230263e52700 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff920004ed249 R08: ffffffff81a1352c R09: fffffbfff1d3a69c R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: dffffc0000000000 R13: 0000000000000002 R14: ffffc90002769248 R15: 0000000000000220 FS: 00007fe91cda16c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9bee889000 CR3: 000000002832a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400