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upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)

Status: upstream: reported on 2024/09/03 16:42
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+3d91bb43ea9bd71b490e@syzkaller.appspotmail.com
First crash: 82d, last: 68d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM) 0 (1) 2024/09/03 16:42

Sample crash report:
 (driver?)
103:00000    2097152 nvme0n1 
 (driver?)
  103:00001     262144 nvme0n1p1 fb1dbdda-6850-4ddd-ad86-b1774de646a7

  103:00002    1048576 nvme0n1p2 d730f21b-d9a9-4cec-9f43-3402be542af1

List of all bdev filesystems:
 reiserfs
 ext3
 ext2
 ext4
 cramfs
 squashfs
 minix
 vfat
 msdos
 exfat
 bfs
 iso9660
 hfsplus
 hfs
 vxfs
 sysv
 v7
 hpfs
 ntfs3
 ufs
 efs
 affs
 romfs
 qnx4
 qnx6
 adfs
 fuseblk
 udf
 omfs
 jfs
 xfs
 nilfs2
 befs
 ocfs2
 gfs2
 gfs2meta
 f2fs
 bcachefs
 erofs
 zonefs
 btrfs

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:119
 dump_stack+0x1c/0x28 lib/dump_stack.c:128
 panic+0x300/0x884 kernel/panic.c:354
 mount_root_generic+0x4c4/0x5b8 init/do_mounts.c:236
 mount_block_root+0x6c/0x7c init/do_mounts.c:380
 mount_root+0xb4/0xe4 init/do_mounts.c:407
 prepare_namespace+0xdc/0x11c init/do_mounts.c:491
 kernel_init_freeable+0x360/0x478 init/main.c:1591
 kernel_init+0x24/0x2a0 init/main.c:1467
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x10,00000207,00200128,42017203
Memory Limit: none
Rebooting in 86400 seconds..

Crashes (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/13 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 b58f933c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/13 03:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 73e8a465 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/12 13:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 60e1a995 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/12 09:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7e3e2c7f05cd 60e1a995 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/11 21:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7e3e2c7f05cd d94c83d8 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/11 08:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7e3e2c7f05cd 9326a104 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/10 21:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7e3e2c7f05cd 79eef296 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/10 06:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e017e37abd56 784df80e .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/09 17:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e017e37abd56 dd9c7e97 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/09 15:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b327ebbb5e6 dd9c7e97 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/07 02:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b327ebbb5e6 9750182a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/06 17:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b327ebbb5e6 ce70880a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/06 14:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 953abc57f921 ce70880a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/05 12:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 953abc57f921 464ac2ed .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/04 23:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 953abc57f921 dfbe2ed4 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/04 16:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 953abc57f921 9d47f20a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/03 21:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8efd4bbd16de 9d47f20a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/03 08:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8efd4bbd16de 512328ba .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/09/02 19:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8efd4bbd16de abeaa9b9 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/08/31 04:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8efd4bbd16de 1eda0d14 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/08/30 19:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8efd4bbd16de f885a8ff .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
2024/08/30 16:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci df54f4a16f82 f885a8ff .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 upstream-arm64 test error: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
* Struck through repros no longer work on HEAD.