arg_start 7fffa57bce9d arg_end 7fffa57bceb2 env_start 7fffa57bceb2 env_end 7fffa57bcfe3 binfmt ffffffff89cdc6c0 flags cd core_state ffffc900062d7bf8 ioctx_table 0000000000000000 owner ffff888095bea400 exe_file ffff8880a79a9040 ------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:469! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 12896 Comm: syz-executor.5 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__khugepaged_enter+0x306/0x3d0 mm/khugepaged.c:469 Code: e4 49 81 fe c0 b3 c9 89 74 2a e8 c5 75 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b2 75 bb ff 48 89 ef e8 ea d5 e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 9b 75 bb ff 31 c9 ba 01 00 00 00 RSP: 0018:ffffc900059f7cc0 EFLAGS: 00010286 RAX: 0000000000000367 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888095bea400 RSI: ffffffff815dafc7 RDI: fffff52000b3ef37 RBP: ffff8880890cf100 R08: 0000000000000367 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 00000000000321b8 R12: ffff8880997a6580 R13: ffff8880890cf15c R14: 0000000020000000 R15: ffffc900059f7df8 FS: 0000000001bcd940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb7211f5000 CR3: 00000000a7618000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: khugepaged_enter include/linux/khugepaged.h:62 [inline] do_huge_pmd_anonymous_page+0xaa1/0x2230 mm/huge_memory.c:706 create_huge_pmd mm/memory.c:4106 [inline] __handle_mm_fault mm/memory.c:4327 [inline] handle_mm_fault+0x369d/0x4590 mm/memory.c:4454 do_user_addr_fault+0x598/0xbf0 arch/x86/mm/fault.c:1294 handle_page_fault arch/x86/mm/fault.c:1351 [inline] exc_page_fault+0xa8/0x160 arch/x86/mm/fault.c:1404 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0033:0x40066c Code: 06 e9 49 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 1f 48 8b 14 24 48 8b 7c 24 20 be 04 00 00 00 e8 59 5f 00 00 48 8b 74 24 08 <89> 06 e9 1e 01 00 00 48 8b 44 24 08 48 8b 14 24 be 04 00 00 00 8b RSP: 002b:000000000169fbb0 EFLAGS: 00010202 RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffffffffffff RBP: 0000000001190090 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000169fcd0 R11: 0000000000000246 R12: 0000000001190098 R13: 0000000000023f2a R14: fffffffffffffffe R15: 000000000118cf4c Modules linked in: ---[ end trace 309126d286c3f535 ]--- RIP: 0010:__khugepaged_enter+0x306/0x3d0 mm/khugepaged.c:469 Code: e4 49 81 fe c0 b3 c9 89 74 2a e8 c5 75 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b2 75 bb ff 48 89 ef e8 ea d5 e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 9b 75 bb ff 31 c9 ba 01 00 00 00 RSP: 0018:ffffc900059f7cc0 EFLAGS: 00010286 RAX: 0000000000000367 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888095bea400 RSI: ffffffff815dafc7 RDI: fffff52000b3ef37 RBP: ffff8880890cf100 R08: 0000000000000367 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 00000000000321b8 R12: ffff8880997a6580 R13: ffff8880890cf15c R14: 0000000020000000 R15: ffffc900059f7df8 FS: 0000000001bcd940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb7211fa000 CR3: 00000000a7618000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400