------------[ cut here ]------------ [EXFAT] No bh, device seems wrong or to be ejected. WARNING: CPU: 0 PID: 23616 at drivers/staging/exfat/exfat_blkdev.c:62 bdev_read+0x258/0x2b0 drivers/staging/exfat/exfat_blkdev.c:62 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 23616 Comm: syz-executor.0 Not tainted 5.4.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:bdev_read+0x258/0x2b0 drivers/staging/exfat/exfat_blkdev.c:62 Code: ff df 80 3c 02 00 0f 84 51 ff ff ff 4c 89 e7 e8 8e a6 39 fc e9 44 ff ff ff e8 74 43 fe fb 48 c7 c7 20 20 3d 88 e8 50 75 cf fb <0f> 0b eb 8a e8 6f a5 39 fc e9 17 fe ff ff e8 a5 a5 39 fc e9 99 fe RSP: 0018:ffff8880573afad0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000002df8b RSI: ffffffff815cf8a6 RDI: ffffed100ae75f4c RBP: ffff8880573afb10 R08: ffff8880594ac580 R09: ffffed1015d06159 R10: ffffed1015d06158 R11: ffff8880ae830ac7 R12: 0000000000000000 R13: ffff8880622a0000 R14: 0000000000000001 R15: 0000000000000200 sector_read+0x156/0x1e0 drivers/staging/exfat/exfat_core.c:3615 ffsMountVol drivers/staging/exfat/exfat_super.c:374 [inline] exfat_fill_super.cold+0x4d6/0xdba drivers/staging/exfat/exfat_super.c:3869 mount_bdev+0x304/0x3c0 fs/super.c:1415 exfat_fs_mount+0x35/0x40 drivers/staging/exfat/exfat_super.c:3936 legacy_get_tree+0x108/0x220 fs/fs_context.c:647 vfs_get_tree+0x8e/0x300 fs/super.c:1545 do_new_mount fs/namespace.c:2823 [inline] do_mount+0x143d/0x1d10 fs/namespace.c:3143 ksys_mount+0xdb/0x150 fs/namespace.c:3352 __do_sys_mount fs/namespace.c:3366 [inline] __se_sys_mount fs/namespace.c:3363 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3363 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f88d8052c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a219 RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000020000000 RBP: 000000000075bf20 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000246 R12: 00007f88d80536d4 R13: 00000000004c6d95 R14: 00000000004dc508 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..