syz.9.844 (11510): drop_caches: 2 ------------[ cut here ]------------ CPU 0 old state 2 new state 1 WARNING: CPU: 1 PID: 11510 at kernel/rcu/srcutree.c:734 __srcu_check_read_flavor+0x107/0x150 kernel/rcu/srcutree.c:734 Modules linked in: CPU: 1 UID: 0 PID: 11510 Comm: syz.9.844 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__srcu_check_read_flavor+0x107/0x150 kernel/rcu/srcutree.c:734 Code: c6 c8 01 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 38 41 8b 36 48 c7 c7 c0 d3 0b 8c 89 ea 44 89 f9 e8 da 72 db ff 90 <0f> 0b 90 90 eb a2 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 64 ff ff ff RSP: 0018:ffffc9000476f638 EFLAGS: 00010246 RAX: 78af47a853457600 RBX: ffffe8ffffc782e0 RCX: ffff88805facbc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffffffff817feaa2 R09: fffffbfff1cfa1a8 R10: dffffc0000000000 R11: fffffbfff1cfa1a8 R12: dffffc0000000000 R13: 0000607f476782c0 R14: ffffe8ffffc78488 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555f1859f131 CR3: 000000002905e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: srcu_check_read_flavor include/linux/srcutree.h:265 [inline] srcu_read_lock include/linux/srcu.h:254 [inline] kvm_mmu_notifier_release+0x2f/0xd0 virt/kvm/kvm_main.c:863 mn_hlist_release mm/mmu_notifier.c:321 [inline] __mmu_notifier_release+0x3e4/0x670 mm/mmu_notifier.c:359 mmu_notifier_release include/linux/mmu_notifier.h:402 [inline] exit_mmap+0x142/0xd50 mm/mmap.c:1326 __mmput+0x115/0x420 kernel/fork.c:1345 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9b2/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x16b2/0x1750 kernel/signal.c:3017 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:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c0e185d29 Code: Unable to access opcode bytes at 0x7f9c0e185cff. RSP: 002b:00007f9c0f033038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 0000000000000008 RBX: 00007f9c0e375fa0 RCX: 00007f9c0e185d29 RDX: 0000000020002080 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007f9c0e201b08 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000023b R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9c0e375fa0 R15: 00007ffe2dc55f38