syzbot


kernel panic: stack is corrupted in prb_reserve

Status: closed as invalid on 2024/09/13 08:06
First crash: 182d, last: 180d

Sample crash report:
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: batadv0: Interface activated: batadv_slave_1
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: prb_reserve+0x129d/0x12e0
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 800000007bfe1067 P4D 800000007bfe1067 PUD 785a6067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5233 Comm: syz-executor Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003fa5da0 EFLAGS: 00010046
RAX: 0000000000000064 RBX: 0000000000000000 RCX: 252bc1a63c199d00
RDX: 0000000040000000 RSI: 0000000080000005 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8174567c R09: 1ffff920007f4b50
R10: dffffc0000000000 R11: fffff520007f4b51 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555583889500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000078d44000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003fa5da0 EFLAGS: 00010046
RAX: 0000000000000064 RBX: 0000000000000000 RCX: 252bc1a63c199d00
RDX: 0000000040000000 RSI: 0000000080000005 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8174567c R09: 1ffff920007f4b50
R10: dffffc0000000000 R11: fffff520007f4b51 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555583889500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000078d44000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/22 23:30 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel panic: stack is corrupted in prb_reserve
2024/08/20 14:52 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel panic: stack is corrupted in prb_reserve
* Struck through repros no longer work on HEAD.