Hello, syzbot found the following issue on: HEAD commit: 6c833c0581f1 Merge tag 'devicetree-fixes-for-6.0-1' of git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=114179dd080000 kernel config: https://syzkaller.appspot.com/x/.config?x=ffbab52ef9fab60 dashboard link: https://syzkaller.appspot.com/bug?extid=5a9aafd202006e109827 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5a9aafd202006e109827@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: unable to handle page fault for address: ffffdc0000000005 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11826067 P4D 11826067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3268 Comm: S50sshd Not tainted 5.19.0-syzkaller-14135-g6c833c0581f1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:ext4_get_group_desc+0x231/0x500 fs/ext4/balloc.c:299 Code: 8b e8 e3 12 4d ff 4d 85 e4 0f 84 3d 02 00 00 e8 35 ab 69 ff 49 8d 7c 24 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 RSP: 0018:ffffc900033ff4d8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 1fffe00000000005 RSI: ffffffff82118a8b RDI: ffff000000000028 RBP: ffff88801dd4c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff000000000000 R13: 0000000000000000 R14: ffff88801dd4c678 R15: 0000000000000001 FS: 00007f116a35e800(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000005 CR3: 0000000020f64000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __ext4_get_inode_loc+0x1c9/0x11a0 fs/ext4/inode.c:4459 ext4_get_inode_loc+0xba/0x160 fs/ext4/inode.c:4600 ext4_xattr_ibody_get+0xe4/0x4a0 fs/ext4/xattr.c:602 ext4_xattr_get+0x166/0x740 fs/ext4/xattr.c:666 vfs_getxattr_alloc+0x1bc/0x350 fs/xattr.c:384 ima_read_xattr+0x31/0x70 security/integrity/ima/ima_appraise.c:228 process_measurement+0xca2/0x18b0 security/integrity/ima/ima_main.c:319 ima_bprm_check+0xd0/0x220 security/integrity/ima/ima_main.c:492 security_bprm_check+0x7d/0xa0 security/security.c:870 search_binary_handler fs/exec.c:1719 [inline] exec_binprm fs/exec.c:1772 [inline] bprm_execve fs/exec.c:1841 [inline] bprm_execve+0x732/0x1960 fs/exec.c:1803 do_execveat_common+0x727/0x890 fs/exec.c:1946 do_execve fs/exec.c:2020 [inline] __do_sys_execve fs/exec.c:2096 [inline] __se_sys_execve fs/exec.c:2091 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:2091 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f116a4c8337 Code: ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 00 f7 d8 64 41 89 00 eb dc 0f 1f 84 00 00 00 00 00 b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 11 1b 0f 00 f7 d8 64 89 01 48 RSP: 002b:00007ffe54ebe008 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000564f4f1c5e70 RCX: 00007f116a4c8337 RDX: 0000564f4f1c5e88 RSI: 0000564f4f1c5e70 RDI: 0000564f4f1c5e28 RBP: 0000564f4f1c5e28 R08: 0000564f4f1c5e88 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000206 R12: 0000564f4f1c5e88 R13: 00007f116a66dff4 R14: 0000564f4f1c5e88 R15: 0000000000000000 </TASK> Modules linked in: CR2: ffffdc0000000005 ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_get_group_desc+0x231/0x500 fs/ext4/balloc.c:299 Code: 8b e8 e3 12 4d ff 4d 85 e4 0f 84 3d 02 00 00 e8 35 ab 69 ff 49 8d 7c 24 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 RSP: 0018:ffffc900033ff4d8 EFLAGS: 00010a06 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 1fffe00000000005 RSI: ffffffff82118a8b RDI: ffff000000000028 RBP: ffff88801dd4c000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff000000000000 R13: 0000000000000000 R14: ffff88801dd4c678 R15: 0000000000000001 FS: 00007f116a35e800(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000005 CR3: 0000000020f64000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8b e8 mov %eax,%ebp 2: e3 12 jrcxz 0x16 4: 4d ff 4d 85 rex.WRB decq -0x7b(%r13) 8: e4 0f in $0xf,%al a: 84 3d 02 00 00 e8 test %bh,-0x17fffffe(%rip) # 0xe8000012 10: 35 ab 69 ff 49 xor $0x49ff69ab,%eax 15: 8d 7c 24 28 lea 0x28(%rsp),%edi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 86 02 00 00 jne 0x2ba 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 4c rex.WR 3f: 89 .byte 0x89 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
