loop0: detected capacity change from 0 to 2048 udf: Unknown parameter '18446744073709551615' loop0: detected capacity change from 0 to 32768 ERROR: (device loop0): dbAlloc: unable to allocate blocks ERROR: (device loop0): remounting filesystem as read-only ERROR: (device loop0): dbAlloc: unable to allocate blocks ------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #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:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:175 Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 33 d0 e5 fe e9 16 fe ff ff e8 19 a8 7e fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3cf700 EFLAGS: 00010293 RAX: ffffffff8340fb87 RBX: ffff8880427e3b20 RCX: ffff888000bc8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880427e3b20 RBP: 0000000000000001 R08: ffffffff8f9e2f77 R09: 1ffffffff1f3c5ee R10: dffffc0000000000 R11: ffffffff8340d7f0 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880427e37a8 R15: ffffffff8340f750 FS: 0000000000000000(0000) GS:ffff88808d306000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feef8a3e9a0 CR3: 00000000509d6000 CR4: 0000000000352ef0 Call Trace: evict+0x504/0x9c0 fs/inode.c:810 dispose_list fs/inode.c:852 [inline] evict_inodes+0x64c/0x6d0 fs/inode.c:906 generic_shutdown_super+0x9a/0x2c0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1722 deactivate_locked_super+0xbc/0x130 fs/super.c:473 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1327 task_work_run+0x1d4/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x2300 kernel/exit.c:966 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7feef7b8eec9 Code: Unable to access opcode bytes at 0x7feef7b8ee9f. RSP: 002b:00007feef8a5f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007feef7de5fa8 RCX: 00007feef7b8eec9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007feef7de5fac RBP: 00007feef7de5fa0 R08: 3fffffffffffffff R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007feef7de6038 R14: 00007ffca90ef0c0 R15: 00007ffca90ef1a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:175 Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 33 d0 e5 fe e9 16 fe ff ff e8 19 a8 7e fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3cf700 EFLAGS: 00010293 RAX: ffffffff8340fb87 RBX: ffff8880427e3b20 RCX: ffff888000bc8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880427e3b20 RBP: 0000000000000001 R08: ffffffff8f9e2f77 R09: 1ffffffff1f3c5ee R10: dffffc0000000000 R11: ffffffff8340d7f0 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880427e37a8 R15: ffffffff8340f750 FS: 0000000000000000(0000) GS:ffff88808d306000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feef8a3e9a0 CR3: 000000001233f000 CR4: 0000000000352ef0