start_brk 555555638000 brk 55555565a000 start_stack 7fff97b88950 arg_start 7fff97b89efc arg_end 7fff97b89f14 env_start 7fff97b89f14 env_end 7fff97b89fe0 binfmt ffffffff8cba2c20 flags 7fd ioctx_table 0000000000000000 owner ffff88802d301dc0 exe_file ffff8880252f8000 notifier_subscriptions 0000000000000000 numa_next_scan 4294943429 numa_scan_offset 0 numa_scan_seq 0 tlb_flush_pending 0 def_flags: 0x0() ------------[ cut here ]------------ kernel BUG at mm/mmap.c:340! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5405 Comm: syz-executor485 Not tainted 6.4.0-syzkaller-10062-gf8566aa4f176 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:validate_mm+0x3a0/0x470 mm/mmap.c:340 Code: 24 48 e8 93 39 fb ff e9 fc fd ff ff e8 09 e1 be ff 44 89 fa 89 ee 48 c7 c7 a0 d3 78 8a e8 88 89 a2 ff 48 89 df e8 a0 17 fb ff <0f> 0b e8 e9 e0 be ff 48 8b 7c 24 18 e8 8f 17 fb ff c6 05 11 d7 cd RSP: 0018:ffffc90004b4faa0 EFLAGS: 00010282 RAX: 000000000000032f RBX: ffff88802d3bd580 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8169097c RDI: 0000000000000005 RBP: 0000000000000017 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 00007fff97bba000 R13: 0000000000000000 R14: 00007fff97bbbfff R15: 0000000000000015 FS: 00007f7492d89700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201e3000 CR3: 000000002c227000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_vmi_align_munmap+0x1199/0x1680 mm/mmap.c:2561 do_vmi_munmap+0x266/0x430 mm/mmap.c:2619 __vm_munmap+0x137/0x380 mm/mmap.c:2899 __do_sys_munmap mm/mmap.c:2916 [inline] __se_sys_munmap mm/mmap.c:2913 [inline] __x64_sys_munmap+0x62/0x80 mm/mmap.c:2913 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7492a4fe69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 15 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7492d89288 EFLAGS: 00000246 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 00007f7492af0038 RCX: 00007f7492a4fe69 RDX: 00007f7492a4fe69 RSI: 0000000000001000 RDI: 000000002073c000 RBP: 00007f7492af0030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7492aa640c R13: 00007f7492bffcbf R14: 00007f7492d89400 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:validate_mm+0x3a0/0x470 mm/mmap.c:340 Code: 24 48 e8 93 39 fb ff e9 fc fd ff ff e8 09 e1 be ff 44 89 fa 89 ee 48 c7 c7 a0 d3 78 8a e8 88 89 a2 ff 48 89 df e8 a0 17 fb ff <0f> 0b e8 e9 e0 be ff 48 8b 7c 24 18 e8 8f 17 fb ff c6 05 11 d7 cd RSP: 0018:ffffc90004b4faa0 EFLAGS: 00010282 RAX: 000000000000032f RBX: ffff88802d3bd580 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8169097c RDI: 0000000000000005 RBP: 0000000000000017 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 00007fff97bba000 R13: 0000000000000000 R14: 00007fff97bbbfff R15: 0000000000000015 FS: 00007f7492d89700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555641628 CR3: 000000002c227000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400