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[syzbot] [block?] [virt?] kernel panic: corrupted stack end in kernel_init (2) | 0 (2) | 2024/09/24 10:00 |
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[syzbot] [block?] [virt?] kernel panic: corrupted stack end in kernel_init (2) | 0 (2) | 2024/09/24 10:00 |
x8 : 8f1719b15e27f800 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000008 x3 : 0000000000000000 x2 : ffff0000d7975ac0 x1 : 0000000000000000 x0 : ffff800080872848 Kernel panic - not syncing: kernel stack overflow CPU: 1 UID: 0 PID: 16523 Comm: syz.3.4916 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 nmi_panic+0x11c/0x23c kernel/panic.c:205 panic_bad_stack+0x200/0x28c arch/arm64/kernel/traps.c:917 enter_from_kernel_mode+0x0/0x74 arch/arm64/kernel/entry-common.c:928 __bad_stack+0x78/0x7c arch/arm64/kernel/entry.S:566 el1h_64_sync+0x0/0x68 arch/arm64/kernel/entry.S:591 SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x10,00000207,00200128,42017203 Memory Limit: none ================================ WARNING: inconsistent lock state 6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted -------------------------------- inconsistent {INITIAL USE} -> {IN-NMI} usage. syz.3.4916/16523 [HC1[1]:SC0[0]:HE0:SE1] takes: ffff800091c892b8 ((efivars_lock).lock){....}-{2:2}, at: down_trylock+0x28/0xd8 kernel/locking/semaphore.c:139 {INITIAL USE} state was registered at: lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 down_interruptible+0x3c/0xfc kernel/locking/semaphore.c:83 efivars_register+0x2c/0x10c drivers/firmware/efi/vars.c:68 generic_ops_register drivers/firmware/efi/efi.c:229 [inline] efisubsys_init+0x414/0x5f8 drivers/firmware/efi/efi.c:433 do_one_initcall+0x24c/0x9c0 init/main.c:1267 do_initcall_level+0x154/0x214 init/main.c:1329 do_initcalls+0x58/0xac init/main.c:1345 do_basic_setup+0x8c/0xa0 init/main.c:1364 kernel_init_freeable+0x324/0x478 init/main.c:1578 kernel_init+0x24/0x2a0 init/main.c:1467 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 10106 hardirqs last enabled at (10105): [<ffff80008b3388f8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (10105): [<ffff80008b3388f8>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (10106): [<ffff80008b42e1b4>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (10106): [<ffff80008b42e1b4>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (8930): [<ffff8000800307f8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (8928): [<ffff8000800307c4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock((efivars_lock).lock); <Interrupt> lock((efivars_lock).lock); *** DEADLOCK *** 1 lock held by syz.3.4916/16523: #0: ffff0000ef1b60e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:344 stack backtrace: CPU: 1 UID: 0 PID: 16523 Comm: syz.3.4916 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 print_usage_bug+0x698/0x9ac kernel/locking/lockdep.c:4000 verify_lock_unused+0xc0/0x114 kernel/locking/lockdep.c:5691 lock_acquire+0x3b0/0x728 kernel/locking/lockdep.c:5750 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 down_trylock+0x28/0xd8 kernel/locking/semaphore.c:139 efivar_trylock+0x20/0xa0 drivers/firmware/efi/vars.c:160 efi_pstore_write+0x21c/0x63c drivers/firmware/efi/efi-pstore.c:223 pstore_dump+0x764/0xad0 fs/pstore/platform.c:354 kmsg_dump+0x17c/0x274 kernel/printk/printk.c:4214 panic+0x34c/0x884 kernel/panic.c:385 nmi_panic+0x11c/0x23c kernel/panic.c:205 panic_bad_stack+0x200/0x28c arch/arm64/kernel/traps.c:917 enter_from_kernel_mode+0x0/0x74 arch/arm64/kernel/entry-common.c:928 __bad_stack+0x78/0x7c arch/arm64/kernel/entry.S:566 el1h_64_sync+0x0/0x68 arch/arm64/kernel/entry.S:591
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/24 09:59 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | 89298aad | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | kernel stack overflow in kernel_init | ||
2024/09/30 01:46 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 7c1e5b9690b0 | ba29ff75 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/26 12:35 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 7c1e5b9690b0 | 9314348a | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/24 21:17 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 7c1e5b9690b0 | 5643e0e9 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/16 05:32 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 08d8a733 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/15 19:55 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 08d8a733 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/15 19:48 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 08d8a733 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/15 05:49 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 08d8a733 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/13 14:37 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | b58f933c | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/13 09:03 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 60e1a995 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/09 04:34 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | 9750182a | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init | |||
2024/09/06 21:54 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 1ff95eb2bebd | ce70880a | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-riscv64 | kernel panic: corrupted stack end in kernel_init |