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WARNING: CPU: 0 PID: 12243 at arch/x86/entry/common.c:692 idtentry_exit+0x4a/0x90 arch/x86/entry/common.c:696
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 12243 Comm: syz-executor.3 Not tainted 5.8.0-rc6-next-20200724-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:545
RIP: 0010:idtentry_exit+0x4a/0x90 arch/x86/entry/common.c:692
Code: 91 00 00 00 02 74 18 40 84 f6 75 3e 65 8b 05 2d 8b 15 78 a9 ff ff ff 7f 74 14 e9 11 98 8d f9 40 84 f6 75 42 c3 e9 86 fc ff ff <0f> 0b eb c7 e8 8d 95 75 f9 65 48 8b 04 25 c0 fe 01 00 48 8b 00 a8
RSP: 0018:ffffc90017756c50 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff817a0537
RDX: ffff888089376480 RSI: 0000000000000000 RDI: ffffc90017756c88
RBP: ffffc90017756c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 exc_page_fault+0xc2/0x160 arch/x86/mm/fault.c:1407
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:547
RIP: 0010:__softirqentry_text_end+0x39/0x55
Code: e0 04 e0 ff b8 f2 ff ff ff 31 d2 e9 b6 67 cc ff 41 bf f2 ff ff ff 31 c0 e9 dc 41 e1 f8 41 bf f2 ff ff ff 31 ed e9 f7 41 e1 f8 <41> be f2 ff ff ff 48 31 c0 e9 04 45 e1 f8 41 be f2 ff ff ff 48 31
RSP: 0018:ffffc90017756d30 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffc90017756df0 RCX: ffffffff81014f52
RDX: ffff888089376480 RSI: ffffffff81014f60 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff888089376487
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90017756dfc
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888089376480
 get_perf_callchain+0x321/0x620 kernel/events/callchain.c:221
 perf_callchain+0x165/0x1c0 kernel/events/core.c:6985
 perf_prepare_sample+0x8fd/0x1d40 kernel/events/core.c:7012
 __perf_event_output kernel/events/core.c:7170 [inline]
 perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7190
 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8845
 perf_swevent_overflow kernel/events/core.c:8921 [inline]
 perf_swevent_event+0x347/0x550 kernel/events/core.c:8949
 perf_tp_event+0x2e4/0xb50 kernel/events/core.c:9377
 perf_trace_run_bpf_submit+0x11c/0x200 kernel/events/core.c:9351
 perf_trace_lock+0x2e2/0x4a0 include/trace/events/lock.h:39
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x571/0x8e0 kernel/locking/lockdep.c:5014
 rcu_lock_release include/linux/rcupdate.h:246 [inline]
 rcu_read_unlock include/linux/rcupdate.h:688 [inline]
 find_get_entry+0x3d4/0x8a0 mm/filemap.c:1549
 pagecache_get_page+0x47/0xf70 mm/filemap.c:1626
 find_get_page_flags include/linux/pagemap.h:304 [inline]
 __find_get_block_slow fs/buffer.c:202 [inline]
 __find_get_block fs/buffer.c:1365 [inline]
 __find_get_block+0x523/0xec0 fs/buffer.c:1359
 __getblk_gfp+0x28/0x70 fs/buffer.c:1387
 sb_getblk include/linux/buffer_head.h:325 [inline]
 __ext4_get_inode_loc+0x3b9/0x12f0 fs/ext4/inode.c:4284
 ext4_get_inode_loc fs/ext4/inode.c:4402 [inline]
 ext4_reserve_inode_write+0x107/0x280 fs/ext4/inode.c:5643
 __ext4_mark_inode_dirty+0x182/0x910 fs/ext4/inode.c:5810
 add_dirent_to_buf+0x40d/0x710 fs/ext4/namei.c:2031
 ext4_add_entry+0x62b/0xe60 fs/ext4/namei.c:2243
 ext4_add_nondir+0x90/0x290 fs/ext4/namei.c:2579
 ext4_symlink+0x8cc/0xe10 fs/ext4/namei.c:3372
 vfs_symlink fs/namei.c:3959 [inline]
 vfs_symlink+0x453/0x690 fs/namei.c:3945
 do_symlinkat+0x258/0x2c0 fs/namei.c:3986
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c0f7
Code: Bad RIP value.
RSP: 002b:00007ffdc2483328 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045c0f7
RDX: 00007ffdc24833c3 RSI: 00000000004c1ed4 RDI: 00007ffdc24833b0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffdc2483360 R14: 0000000000000000 R15: 00007ffdc2483370
Kernel Offset: disabled
Rebooting in 86400 seconds..