Out of memory (oom_kill_allocating_task): Killed process 188 (rsyslogd) total-vm:254336kB, anon-rss:876kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:0 oom_reaper: reaped process 188 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ------------[ cut here ]------------ Trying to write to read-only block-device loop7 (partno 0) WARNING: CPU: 0 PID: 5449 at block/blk-core.c:705 bio_check_ro block/blk-core.c:705 [inline] WARNING: CPU: 0 PID: 5449 at block/blk-core.c:705 submit_bio_checks+0x1577/0x18d0 block/blk-core.c:833 Modules linked in: CPU: 0 PID: 5449 Comm: syz-executor.7 Not tainted 5.10.56 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:bio_check_ro block/blk-core.c:705 [inline] RIP: 0010:submit_bio_checks+0x1577/0x18d0 block/blk-core.c:833 Code: 03 00 00 45 8b a4 24 64 05 00 00 48 89 ef 48 8d 74 24 50 e8 6b 36 fe ff 48 c7 c7 a0 51 3a 84 48 89 c6 44 89 e2 e8 18 ca d3 01 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 RSP: 0018:ffff888045fcf6e8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff11008bf9ee3 RCX: 0000000000000000 RDX: ffff888015361940 RSI: ffffffff812930d3 RDI: ffffed1008bf9ecf RBP: ffff8880580f7800 R08: 0000000000000001 R09: ffffffff864f26bf R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88800d5dd470 R14: ffff8880580f7810 R15: ffff8880580f7808 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cdf6d07a10 CR3: 000000000f704000 CR4: 0000000000350ef0 Call Trace: submit_bio_noacct+0x7a/0xce0 block/blk-core.c:1045 submit_bio+0xf3/0x4e0 block/blk-core.c:1130 submit_bh_wbc.constprop.0+0x580/0x770 fs/buffer.c:3054 submit_bh fs/buffer.c:3060 [inline] __sync_dirty_buffer+0x16a/0x3f0 fs/buffer.c:3155 fat_set_state+0x22b/0x310 fs/fat/inode.c:708 fat_put_super+0x3b/0xc0 fs/fat/inode.c:734 generic_shutdown_super+0x142/0x370 fs/super.c:464 kill_block_super+0x9d/0xf0 fs/super.c:1446 deactivate_locked_super+0x99/0x160 fs/super.c:335 deactivate_super+0xad/0xd0 fs/super.c:366 cleanup_mnt+0x396/0x500 fs/namespace.c:1118 task_work_run+0xe2/0x1a0 kernel/task_work.c:151 exit_task_work include/linux/task_work.h:30 [inline] do_exit+0xc1b/0x2770 kernel/exit.c:811 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1b70 arch/x86/kernel/signal.c:805 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:289 RIP: 0033:0x466609 Code: Unable to access opcode bytes at RIP 0x4665df. oom_reaper: reaped process 363 (syz-fuzzer), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB RSP: 002b:00007f5bdcd40188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: 0000000000000000 RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcfdc9fa7f R14: 00007f5bdcd40300 R15: 0000000000022000 irq event stamp: 2141 hardirqs last enabled at (2151): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2552 hardirqs last disabled at (2160): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2467 softirqs last enabled at (1490): [] __mark_inode_dirty+0xab9/0xf10 fs/fs-writeback.c:2334 softirqs last disabled at (1486): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (1486): [] wb_wakeup_delayed+0x62/0xf0 mm/backing-dev.c:269 ---[ end trace 445ee8f461eb85a7 ]--- systemd[1]: systemd-journald.service: Failed with result 'signal'. systemd[1]: rsyslog.service: Main process exited, code=killed, status=9/KILL systemd[1]: rsyslog.service: Unit entered failed state. systemd[1]: rsyslog.service: Failed with result 'signal'. systemd[1]: systemd-journald.service: Service has no hold-off time, scheduling restart. systemd[1]: Stopped Flush Journal to Persistent Storage. systemd[1]: Stopping Flush Journal to Persistent Storage... systemd[1]: Stopped Journal Service. systemd[1]: Starting Journal Service... systemd[1]: rsyslog.service: Service hold-off time over, scheduling restart. systemd-journald[19923]: File /run/log/journal/a7ea1e366b2143c58816020cbe53da59/system.journal corrupted or uncleanly shut down, renaming and replacing.