RAX: ffffffffffffffda RBX: 00007ff9849eac90 RCX: 0000000000457ec9
RDX: 00000000000297ef RSI: 0000000020000080 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9849eb6d4
R13: 00000000004c6fc2 R14: 00000000004dc520 R15: 0000000000000005
WARNING: CPU: 0 PID: 22686 at net/ipv4/tcp_output.c:2535 tcp_send_loss_probe+0x890/0x9c0 net/ipv4/tcp_output.c:2535
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 22686 Comm: syz-executor4 Not tainted 4.20.0+ #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x589 kernel/panic.c:189
 __warn.cold+0x20/0x4b kernel/panic.c:544
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:tcp_send_loss_probe+0x890/0x9c0 net/ipv4/tcp_output.c:2535
Code: 5f fc ff ff 4c 89 ef e8 5e d1 2a fb e9 05 fc ff ff e8 b4 d1 2a fb e9 ee fc ff ff e8 4a d1 2a fb e9 c7 f8 ff ff e8 30 fe e6 fa <0f> 0b e9 c3 f9 ff ff e8 24 fe e6 fa 44 0f b6 3d 0f fc bc 03 31 ff
RSP: 0018:ffff8880ae607830 EFLAGS: 00010206
RAX: ffff88808abe4440 RBX: 1ffff11015cc0f09 RCX: ffffffff869a8db3
RDX: 0000000000000100 RSI: ffffffff869a9310 RDI: 0000000000000005
RBP: ffff8880ae6078d0 R08: ffff88808abe4440 R09: ffffed1012113981
R10: ffffed1012113980 R11: ffff88809089cc03 R12: ffff8880a12df0c0
R13: ffff88809089ca40 R14: 0000000000008000 R15: 0000000000000000
 tcp_write_timer_handler+0x56b/0x960 net/ipv4/tcp_timer.c:596
 tcp_write_timer+0x10e/0x1d0 net/ipv4/tcp_timer.c:620
 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699
Code: 00 00 e8 88 3d 66 f9 e8 f3 4b 96 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae b3 a0 01 00 74 5e fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 2b d2 ff ff 48 c7 c0 38 4f 92 89 48 c1 e8 03 80
RSP: 0018:ffff888057c6ef08 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13249e8 RBX: dffffc0000000000 RCX: 1ffff1101157c9a6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808abe4cbc
RBP: ffff888057c6ef28 R08: 0000000000000006 R09: ffff88808abe4d30
R10: ffff88808abe4440 R11: 0000000000000000 R12: ffffed101157c888
R13: ffff88808abe4440 R14: ffffffff89924f40 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766
Code: 00 74 0c 48 c7 c7 30 4f 92 89 e8 b3 55 da f9 48 83 3d 6b 40 a7 01 00 75 07 e8 74 82 96 f9 0f 0b e8 6d 82 96 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 5b 82 96 f9 48 c7 c2 40 0d 10 8c 4c 89
RSP: 0018:ffff888057c6efe0 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff02
RAX: 0000000000040000 RBX: 0000000000000212 RCX: ffffc9000de4f000
RDX: 0000000000040000 RSI: ffffffff87eb0ed3 RDI: 0000000000000212
RBP: ffff888057c6efe8 R08: 0000000000000006 R09: ffff88808abe4d30
R10: ffff88808abe4440 R11: 0000000000000000 R12: 0000000000000212
R13: 00000000ffffffff R14: 0000000000000200 R15: ffff888057c6f078
 dump_stack+0x282/0x2d0 lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x15 lib/fault-inject.c:149
 __should_fail_alloc_page mm/page_alloc.c:3146 [inline]
 should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3193
 prepare_alloc_pages mm/page_alloc.c:4470 [inline]
 __alloc_pages_nodemask+0x323/0xdc0 mm/page_alloc.c:4517
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc mm/filemap.c:924 [inline]
 __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909
 pagecache_get_page+0x36e/0x1020 mm/filemap.c:1615
 grab_cache_page_write_begin+0x75/0xb0 mm/filemap.c:3158
 ext4_da_write_begin+0x360/0x12d0 fs/ext4/inode.c:3077
 generic_perform_write+0x2a0/0x6b0 mm/filemap.c:3208
 __generic_file_write_iter+0x25e/0x630 mm/filemap.c:3333
 ext4_file_write_iter+0x37a/0x1410 fs/ext4/file.c:266
 call_write_iter include/linux/fs.h:1862 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x764/0xb40 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0x105/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff9849eac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff9849eac90 RCX: 0000000000457ec9
RDX: 00000000000297ef RSI: 0000000020000080 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9849eb6d4
R13: 00000000004c6fc2 R14: 00000000004dc520 R15: 0000000000000005
Kernel Offset: disabled
Rebooting in 86400 seconds..