EXT4-fs (loop0): mount failed ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5667 at arch/x86/mm/tlb.c:515 switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Modules linked in: CPU: 1 PID: 5667 Comm: syz-executor.0 Not tainted 6.9.0-rc2-syzkaller-00080-gc85af715cac0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Code: ff 44 8d 6b 02 48 63 d3 49 8d 8e 18 06 00 00 4d 63 ed 49 c1 e5 04 4d 8d 8d c0 d8 03 00 49 81 c5 c8 d8 03 00 e9 75 fd ff ff 90 <0f> 0b 90 e9 e3 f7 ff ff 90 0f 0b 90 e8 df f5 ff ff e9 20 f8 ff ff RSP: 0018:ffffc90027e87740 EFLAGS: 00010202 RAX: 0000000000000292 RBX: ffff88801fc20000 RCX: ffff888014c7c280 RDX: 1ffff1100298f92a RSI: ffffffff8b6f0fa0 RDI: ffffffff8b6f0fe0 RBP: ffff88801d43af80 R08: 0000000000000000 R09: ffffed100298f869 R10: ffff888014c7c34b R11: 0000000000000003 R12: ffff88802c33f500 R13: ffff888024c98000 R14: ffff888014c7c280 R15: ffff88802c33ea80 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5f0cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000584fa480 CR3: 000000005f64a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:5393 [inline] __schedule+0xd2b/0x5d00 kernel/sched/core.c:6746 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6925 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] free_percpu mm/percpu.c:2327 [inline] free_percpu+0x7df/0x1110 mm/percpu.c:2285 percpu_counter_destroy_many lib/percpu_counter.c:214 [inline] percpu_counter_destroy_many+0x225/0x390 lib/percpu_counter.c:193 percpu_counter_destroy include/linux/percpu_counter.h:52 [inline] ext4_es_unregister_shrinker+0x1e/0x90 fs/ext4/extents_status.c:1754 __ext4_fill_super fs/ext4/super.c:5648 [inline] ext4_fill_super+0x725f/0xaeb0 fs/ext4/super.c:5699 get_tree_bdev+0x36f/0x610 fs/super.c:1632 vfs_get_tree+0x8f/0x380 fs/super.c:1797 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x6e1/0x1f10 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __ia32_sys_mount+0x295/0x320 fs/namespace.c:3875 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x7a/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7f/0x89 RIP: 0023:0xf7312579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5f0c400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f5f0c460 RCX: 00000000200007c0 RDX: 0000000020000100 RSI: 0000000001008004 RDI: 00000000f5f0c4a0 RBP: 00000000f5f0c460 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi