https://bugzilla.suse.com/show_bug.cgi?id=1173891 https://bugzilla.suse.com/show_bug.cgi?id=1173891#c3 --- Comment #3 from Jiri Slaby <jslaby@suse.com> --- FWIW decoded stacktrace is below. The kernel seems to be a1775d0843b12327f00c719acc05a8224f9ef596.
BUG: kernel NULL pointer dereference, address: 0000000d #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page *pde = 00000000 Oops: 0000 [#1] SMP CPU: 1 PID: 13684 Comm: rpm Not tainted 5.7.5-1-default #1 openSUSE Tumbleweed (unreleased) Hardware name: Dell Inc. Latitude 2100 /0W785N, BIOS A01 06/02/2009 EIP: __vfs_write (include/linux/fs.h:3420) Code: 00 00 8b 73 24 89 55 b0 89 4d b4 89 f0 89 75 ac c1 e8 09 83 e0 02 81 e6 00 40 00 00 0f 85 fd 00 00 00 8b b3 a4 00 00 00 8b 36 <f6> 46 0d 20 0f 85 eb 00 00 00 f7 45 ac 00 10 00 00 75 15 8b b3 a4 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 73 24 mov 0x24(%rbx),%esi 5: 89 55 b0 mov %edx,-0x50(%rbp) 8: 89 4d b4 mov %ecx,-0x4c(%rbp) b: 89 f0 mov %esi,%eax d: 89 75 ac mov %esi,-0x54(%rbp) 10: c1 e8 09 shr $0x9,%eax 13: 83 e0 02 and $0x2,%eax 16: 81 e6 00 40 00 00 and $0x4000,%esi 1c: 0f 85 fd 00 00 00 jne 0x11f 22: 8b b3 a4 00 00 00 mov 0xa4(%rbx),%esi 28: 8b 36 mov (%rsi),%esi 2a:* f6 46 0d 20 testb $0x20,0xd(%rsi) <-- trapping instruction 2e: 0f 85 eb 00 00 00 jne 0x11f 34: f7 45 ac 00 10 00 00 testl $0x1000,-0x54(%rbp) 3b: 75 15 jne 0x52 3d: 8b .byte 0x8b 3e: b3 a4 mov $0xa4,%bl
Code starting with the faulting instruction =========================================== 0: f6 46 0d 20 testb $0x20,0xd(%rsi) 4: 0f 85 eb 00 00 00 jne 0xf5 a: f7 45 ac 00 10 00 00 testl $0x1000,-0x54(%rbp) 11: 75 15 jne 0x28 13: 8b .byte 0x8b 14: b3 a4 mov $0xa4,%bl EAX: 00000000 EBX: ddb3a180 ECX: 00005e44 EDX: bfd3af6c ESI: 00000000 EDI: c28fdf7c EBP: c28fdf4c ESP: c28fdef4 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010246 CR0: 80050033 CR2: 0000000d CR3: 32744000 CR4: 000006d0 Call Trace: vfs_write (fs/read_write.c:560) ksys_write (fs/read_write.c:613) __ia32_sys_write (fs/read_write.c:621) do_int80_syscall_32 (arch/x86/entry/common.c:337) entry_INT80_32 (arch/x86/entry/entry_32.S:1085)
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