------------[ cut here ]------------ [EXFAT] No bh, device seems wrong or to be ejected. WARNING: CPU: 1 PID: 17856 at drivers/staging/exfat/exfat_blkdev.c:62 exfat_bdev_read+0x24f/0x2b0 drivers/staging/exfat/exfat_blkdev.c:62 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 17856 Comm: syz-executor.5 Not tainted 5.6.0-rc3-syzkaller #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/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:exfat_bdev_read+0x24f/0x2b0 drivers/staging/exfat/exfat_blkdev.c:62 Code: 00 00 31 ff 41 bc fb ff ff ff 89 de e8 8a 94 79 fb 85 db 0f 85 5d ff ff ff e8 fd 92 79 fb 48 c7 c7 60 13 ed 88 e8 90 e4 49 fb <0f> 0b e9 45 ff ff ff e8 75 38 b8 fb e9 ad fe ff ff e8 2b 38 b8 fb RSP: 0018:ffffc90016a7fae0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000003d55f RSI: ffffffff815eae46 RDI: fffff52002d4ff4e RBP: ffffc90016a7fb18 R08: ffff888092602000 R09: ffffed1015d26659 R10: ffffed1015d26658 R11: ffff8880ae9332c7 R12: 00000000fffffffb R13: ffff8880400e0000 R14: 0000000000000001 R15: 0000000000000000 sector_read+0x140/0x1f0 drivers/staging/exfat/exfat_core.c:2496 ffsMountVol drivers/staging/exfat/exfat_super.c:376 [inline] exfat_fill_super.cold+0x2e4/0x895 drivers/staging/exfat/exfat_super.c:3713 mount_bdev+0x304/0x3c0 fs/super.c:1417 exfat_fs_mount+0x35/0x40 drivers/staging/exfat/exfat_super.c:3769 legacy_get_tree+0x108/0x220 fs/fs_context.c:622 vfs_get_tree+0x8e/0x300 fs/super.c:1547 do_new_mount fs/namespace.c:2822 [inline] do_mount+0x135a/0x1b50 fs/namespace.c:3107 __do_sys_mount fs/namespace.c:3316 [inline] __se_sys_mount fs/namespace.c:3293 [inline] __x64_sys_mount+0x192/0x230 fs/namespace.c:3293 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c449 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:00007fca7b060c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fca7b0616d4 RCX: 000000000045c449 RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000020000040 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000074a R14: 00000000004c9d14 R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..