process 'memfd:ndRi5ም[@8 9I=\'LҎ)JtTDqρ1 >\LϑM^T*' started with executable stack ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2560 at kernel/signal.c:765 signal_wake_up_state+0x47/0x60 kernel/signal.c:765 Modules linked in: CPU: 1 PID: 2560 Comm: 4 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:signal_wake_up_state+0x47/0x60 kernel/signal.c:765 Code: df 83 ce 01 e8 ea 20 03 00 85 c0 74 22 5b 5d c3 48 8b 87 b0 08 00 00 be ff ff ff ff 48 8d 78 18 e8 7e dd 0f 01 85 c0 75 cf 90 <0f> 0b 90 eb c9 48 89 df 5b 5d e9 0a 8e 02 00 66 2e 0f 1f 84 00 00 RSP: 0000:ffffc900013b3dc8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888105e93700 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff82b0a422 RDI: ffffffff82b2b868 RBP: 0000000000000108 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000080000 R11: 0000000000000000 R12: ffff888105e91b80 R13: 0000000000000000 R14: 000000000000000b R15: ffff88810f72ea40 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000b7000000 CR3: 00000001136e1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: signal_wake_up include/linux/sched/signal.h:457 [inline] zap_other_threads+0xaf/0x110 kernel/signal.c:1379 do_group_exit+0x8f/0xa0 kernel/exit.c:1019 get_signal+0x974/0x980 kernel/signal.c:2876 arch_do_signal_or_restart+0x39/0x290 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0xd4/0x1a0 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0xa/0x30 kernel/entry/common.c:310 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0023:0xb7000000 Code: Unable to access opcode bytes at 0xb6ffffd6. RSP: 002b:00000000ffa156d0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000