general protection fault, probably for non-canonical address 0xe000dce0000000e6: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0007070000000730-0x0007070000000737] CPU: 0 PID: 7357 Comm: syz-executor.1 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:put_prev_task kernel/sched/sched.h:1834 [inline] RIP: 0010:pick_next_task_fair+0x2bc/0xc90 kernel/sched/fair.c:7064 Code: 09 00 00 48 8b 4c 24 08 4c 3b a9 28 0a 00 00 0f 85 71 07 00 00 48 8d 78 30 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 0b 09 00 00 48 8b 7c 24 08 4c 89 ee ff 50 30 49 RSP: 0018:ffffc900159e7588 EFLAGS: 00010003 RAX: 0007070000000707 RBX: dffffc0000000000 RCX: 0000e0e0000000e6 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0007070000000737 RBP: ffffc900159e76b8 R08: 0000000000000000 R09: ffffffff8b59688f R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900159e7650 R13: ffff88800010e0c0 R14: ffffed1015c86bda R15: ffffc900159e7650 FS: 0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020085000 CR3: 0000000218618000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pick_next_task kernel/sched/core.c:4344 [inline] __schedule+0x3dd/0x2280 kernel/sched/core.c:4495 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:4683 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:40 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x36/0x40 kernel/locking/spinlock.c:183 spin_unlock include/linux/spinlock.h:394 [inline] zap_pte_range mm/memory.c:1161 [inline] zap_pmd_range mm/memory.c:1209 [inline] zap_pud_range mm/memory.c:1238 [inline] zap_p4d_range mm/memory.c:1259 [inline] unmap_page_range+0x1634/0x2bf0 mm/memory.c:1280 unmap_single_vma+0x198/0x300 mm/memory.c:1325 unmap_vmas+0x168/0x2e0 mm/memory.c:1357 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1076 mmput+0x53/0x60 kernel/fork.c:1097 exit_mm kernel/exit.c:483 [inline] do_exit+0xa8b/0x29f0 kernel/exit.c:793 do_group_exit+0x125/0x310 kernel/exit.c:903 get_signal+0x428/0x1f00 kernel/signal.c:2757 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:192 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267 __do_fast_syscall_32+0x6c/0x90 arch/x86/entry/common.c:138 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f16549 Code: Bad RIP value. RSP: 002b:00000000f54ef12c EFLAGS: 00000292 ORIG_RAX: 00000000000000f0 RAX: fffffffffffffe00 RBX: 0000000008bac018 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008bac01c RBP: 00000000f54ef228 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 805fc5034f9cd666 ]--- RIP: 0010:put_prev_task kernel/sched/sched.h:1834 [inline] RIP: 0010:pick_next_task_fair+0x2bc/0xc90 kernel/sched/fair.c:7064 Code: 09 00 00 48 8b 4c 24 08 4c 3b a9 28 0a 00 00 0f 85 71 07 00 00 48 8d 78 30 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 0b 09 00 00 48 8b 7c 24 08 4c 89 ee ff 50 30 49 RSP: 0018:ffffc900159e7588 EFLAGS: 00010003 RAX: 0007070000000707 RBX: dffffc0000000000 RCX: 0000e0e0000000e6 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0007070000000737 RBP: ffffc900159e76b8 R08: 0000000000000000 R09: ffffffff8b59688f R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900159e7650 R13: ffff88800010e0c0 R14: ffffed1015c86bda R15: ffffc900159e7650 FS: 0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020085000 CR3: 0000000218618000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400