------------[ cut here ]------------ [EXFAT] No bh, device seems wrong or to be ejected. WARNING: CPU: 1 PID: 22199 at drivers/staging/exfat/exfat_blkdev.c:63 exfat_bdev_read+0x1ef/0x250 drivers/staging/exfat/exfat_blkdev.c:62 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22199 Comm: syz-executor.2 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+0x1fb/0x318 lib/dump_stack.c:118 panic+0x264/0x7a9 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1b6/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xcf/0x1c0 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:exfat_bdev_read+0x1ef/0x250 drivers/staging/exfat/exfat_blkdev.c:62 Code: 2a 52 fb b8 fb ff ff ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 cf 2a 52 fb 48 c7 c7 f2 c9 02 89 31 c0 e8 81 f0 23 fb <0f> 0b eb d5 89 d9 80 e1 07 38 c1 0f 8c 75 fe ff ff 48 89 df e8 b8 RSP: 0018:ffffc90016b077b0 EFLAGS: 00010246 RAX: 1814e208beab0e00 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000de56000 RSI: 0000000000018abc RDI: 0000000000018abd RBP: ffffc90016b077f0 R08: ffffffff81601324 R09: ffffed1015d66618 R10: ffffed1015d66618 R11: 0000000000000000 R12: ffff88803c0a0094 R13: ffff88803c0a819c R14: ffffc90016b07950 R15: 1ffff92002d60f2a sector_read+0x120/0x320 drivers/staging/exfat/exfat_core.c:2496 ffsMountVol drivers/staging/exfat/exfat_super.c:376 [inline] exfat_fill_super+0x1086/0x23f0 drivers/staging/exfat/exfat_super.c:3713 mount_bdev+0x27d/0x390 fs/super.c:1417 exfat_fs_mount+0x34/0x40 drivers/staging/exfat/exfat_super.c:3769 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:622 vfs_get_tree+0x8b/0x2a0 fs/super.c:1547 do_new_mount fs/namespace.c:2822 [inline] do_mount+0x18ee/0x25a0 fs/namespace.c:3107 __do_sys_mount fs/namespace.c:3316 [inline] __se_sys_mount+0xdd/0x110 fs/namespace.c:3293 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3293 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c479 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:00007fc4dfb3cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc4dfb3d6d4 RCX: 000000000045c479 RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00000000200001c0 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000003800000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000074a R14: 00000000004c9d34 R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..