Bad inode number on dev loop2: 2 is out of range SysV FS: get root inode failed oldfs: cannot read superblock ------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 4270 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline] WARNING: CPU: 0 PID: 4270 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline] WARNING: CPU: 0 PID: 4270 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline] WARNING: CPU: 0 PID: 4270 at fs/buffer.c:1148 invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 Modules linked in: CPU: 0 PID: 4270 Comm: syz.2.60 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1148 [inline] pc : brelse include/linux/buffer_head.h:325 [inline] pc : __invalidate_bh_lrus fs/buffer.c:1394 [inline] pc : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 lr : __brelse fs/buffer.c:1148 [inline] lr : brelse include/linux/buffer_head.h:325 [inline] lr : __invalidate_bh_lrus fs/buffer.c:1394 [inline] lr : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 sp : ffff800020567650 x29: ffff800020567650 x28: 0000000000000001 x27: dfff800000000000 x26: ffff800008a790a8 x25: 0000000000000001 x24: ffff0001b419c298 x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000c061f400 x19: ffff800011cbd320 x18: 0000000000000003 x17: 0000000000000002 x16: ffff800011ab8a34 x15: 00000000ffffffff x14: ffff0000d1980000 x13: 0000000000000001 x12: 0000000000040000 x11: 0000000000017aec x10: ffff8000215fe000 x9 : ad436c8950d12e00 x8 : ad436c8950d12e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020566db8 x4 : ffff800014ba05e0 x3 : ffff800008555e80 x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000027 Call trace: __brelse fs/buffer.c:1148 [inline] brelse include/linux/buffer_head.h:325 [inline] __invalidate_bh_lrus fs/buffer.c:1394 [inline] invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 smp_call_function_many_cond+0x908/0x1044 kernel/smp.c:960 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1135 on_each_cpu_cond include/linux/smp.h:105 [inline] invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1426 kill_bdev block/bdev.c:76 [inline] blkdev_flush_mapping+0x164/0x324 block/bdev.c:659 blkdev_put_whole block/bdev.c:690 [inline] blkdev_put+0x498/0x6b0 block/bdev.c:954 kill_block_super+0x98/0xdc fs/super.c:1430 deactivate_locked_super+0xb8/0x13c fs/super.c:335 mount_bdev+0x294/0x370 fs/super.c:1402 sysv_mount+0x44/0x58 fs/sysv/super.c:534 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x278/0x8fc fs/namespace.c:3012 path_mount+0x594/0x101c fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount fs/namespace.c:3540 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 1306 hardirqs last enabled at (1305): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (1306): [] smp_call_function_many_cond+0x8fc/0x1044 kernel/smp.c:959 softirqs last enabled at (1286): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (1286): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (1267): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (1267): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1267): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (1267): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace fba252b74b6ab3ce ]---