------------[ cut here ]------------ kernel BUG at mm/swap_cgroup.c:141! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5912 Comm: syz.1.87 Not tainted 6.11.0-rc3-next-20240816-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:swap_cgroup_record+0x2cd/0x2d0 mm/swap_cgroup.c:141 Code: e7 e8 a7 91 f6 ff e9 64 fe ff ff e8 ad db 8d ff 48 c7 c7 00 0f a6 8e 48 89 de e8 2e 42 e8 02 e9 7a fd ff ff e8 94 db 8d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f RSP: 0018:ffffc90003fef038 EFLAGS: 00010093 RAX: ffffffff8205b7dc RBX: 0000000000000020 RCX: ffff888018b38000 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff8205b683 R09: fffff520007fdde4 R10: dffffc0000000000 R11: fffff520007fdde4 R12: ffff88802928603e R13: 0000000000000000 R14: 000000000000001f R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f12ff8 CR3: 000000000e736000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_uncharge_swap+0x84/0x2e0 mm/memcontrol.c:5132 mem_cgroup_uncharge_swap include/linux/swap.h:668 [inline] swap_entry_range_free+0x45f/0x1120 mm/swapfile.c:1556 __swap_entries_free mm/swapfile.c:1518 [inline] free_swap_and_cache_nr+0xa65/0xae0 mm/swapfile.c:1876 zap_pte_range mm/memory.c:1653 [inline] zap_pmd_range mm/memory.c:1736 [inline] zap_pud_range mm/memory.c:1765 [inline] zap_p4d_range mm/memory.c:1786 [inline] unmap_page_range+0x1924/0x42c0 mm/memory.c:1807 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1897 exit_mmap+0x275/0xc40 mm/mmap.c:1921 __mmput+0x115/0x390 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x176f/0x1810 kernel/signal.c:2936 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3016979e79 Code: Unable to access opcode bytes at 0x7f3016979e4f. RSP: 002b:00007f30177180e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f3016b15f88 RCX: 00007f3016979e79 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3016b15f8c RBP: 00007f3016b15f80 R08: 7fffffffffffffff R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f3016b15f8c R13: 0000000000000000 R14: 00007ffc6c727170 R15: 00007ffc6c727258 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:swap_cgroup_record+0x2cd/0x2d0 mm/swap_cgroup.c:141 Code: e7 e8 a7 91 f6 ff e9 64 fe ff ff e8 ad db 8d ff 48 c7 c7 00 0f a6 8e 48 89 de e8 2e 42 e8 02 e9 7a fd ff ff e8 94 db 8d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f RSP: 0018:ffffc90003fef038 EFLAGS: 00010093 RAX: ffffffff8205b7dc RBX: 0000000000000020 RCX: ffff888018b38000 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff8205b683 R09: fffff520007fdde4 R10: dffffc0000000000 R11: fffff520007fdde4 R12: ffff88802928603e R13: 0000000000000000 R14: 000000000000001f R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f12ff8 CR3: 000000000e736000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400