Hello, syzbot found the following crash on: HEAD commit: 36a44bcd Merge branch 'bnxt_en-shutdown-and-kexec-kdump-re.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=12524265e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=768cc3d3e277cc16 dashboard link: https://syzkaller.appspot.com/bug?extid=1f4d90ead370d72e450b compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=123d9de9e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1648fe09e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+1f4d90ead370d72e450b(a)syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9873 Comm: syz-executor039 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28 Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 36 e2 40 00 48 85 db 75 0f e8 8c e0 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 7d e0 40 00 <0f> 0b e8 76 e0 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90005b47490 EFLAGS: 00010093 RAX: ffff8880944f4600 RBX: 0000000002777259 RCX: ffffffff8134ad32 RDX: 0000000000000000 RSI: ffffffff8134ad93 RDI: 0000000000000006 RBP: ffffc90005b474a8 R08: ffff8880944f4600 R09: ffffed1015d2707c R10: ffffed1015d2707b R11: ffff8880ae9383db R12: 0000778002777259 R13: 0000000082777259 R14: ffff88809a765000 R15: 0000000000000010 FS: 0000000001436880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200004c0 CR3: 0000000096da8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:721 [inline] virt_to_cache mm/slab.h:472 [inline] kfree+0x7b/0x2c0 mm/slab.c:3749 audit_free_lsm_field kernel/auditfilter.c:76 [inline] audit_free_rule kernel/auditfilter.c:91 [inline] audit_data_to_entry+0xb7b/0x25f0 kernel/auditfilter.c:603 audit_rule_change+0x6b5/0x1130 kernel/auditfilter.c:1130 audit_receive_msg+0xda5/0x28b0 kernel/audit.c:1368 audit_receive+0x114/0x230 kernel/audit.c:1513 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:672 ____sys_sendmsg+0x753/0x880 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0x105/0x1d0 net/socket.c:2430 __do_sys_sendmsg net/socket.c:2439 [inline] __se_sys_sendmsg net/socket.c:2437 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4401a9 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd66553d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9 RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 1e4db35053a9d748 ]--- RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28 Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 36 e2 40 00 48 85 db 75 0f e8 8c e0 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 7d e0 40 00 <0f> 0b e8 76 e0 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90005b47490 EFLAGS: 00010093 RAX: ffff8880944f4600 RBX: 0000000002777259 RCX: ffffffff8134ad32 RDX: 0000000000000000 RSI: ffffffff8134ad93 RDI: 0000000000000006 RBP: ffffc90005b474a8 R08: ffff8880944f4600 R09: ffffed1015d2707c R10: ffffed1015d2707b R11: ffff8880ae9383db R12: 0000778002777259 R13: 0000000082777259 R14: ffff88809a765000 R15: 0000000000000010 FS: 0000000001436880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200004c0 CR3: 0000000096da8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This bug is generated by a bot. 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