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WARNING: CPU: 1 PID: 7 at mm/page_alloc.c:4738 __alloc_pages_nodemask+0x342/0x3f0 mm/page_alloc.c:4738
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: events_unbound flush_to_ldisc
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x50/0x70 lib/dump_stack.c:118
 panic+0xfd/0x2ba kernel/panic.c:221
 __warn.cold.12+0x20/0x21 kernel/panic.c:582
 report_bug+0xb8/0x100 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x9a/0xc0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x28/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:__alloc_pages_nodemask+0x342/0x3f0 mm/page_alloc.c:4738
Code: 7e 0f 85 83 fe ff ff e8 b8 6a d7 ff e9 79 fe ff ff 48 89 c7 e8 af 19 fc ff e9 03 fe ff ff 81 e7 00 20 00 00 0f 85 35 ff ff ff <0f> 0b e9 2e ff ff ff 0f 0b 0f 0b e9 6d fd ff ff 65 48 8b 04 25 40
RSP: 0018:ffffc90000c8bc40 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000000
RBP: 0000000000000013 R08: 00000000000a2a20 R09: 00000000ffffffff
R10: ffff88813b323988 R11: ffff88813b323080 R12: 0000000000020a20
R13: 000000005e641940 R14: 00000000ffffffff R15: 00000000ffffffff
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 alloc_pages_node include/linux/gfp.h:523 [inline]
 kmalloc_large_node+0x37/0xd0 mm/slub.c:3817
 __kmalloc_node_track_caller+0x1f7/0x260 mm/slub.c:4351
 __kmalloc_reserve.isra.54+0x6a/0x70 net/core/skbuff.c:149
 __alloc_skb+0x7d/0x1d0 net/core/skbuff.c:209
 __netdev_alloc_skb+0x33/0x150 net/core/skbuff.c:436
 netdev_alloc_skb include/linux/skbuff.h:2781 [inline]
 dev_alloc_skb include/linux/skbuff.h:2794 [inline]
 ppp_sync_input drivers/net/ppp/ppp_synctty.c:680 [inline]
 ppp_sync_receive+0x70/0x1e0 drivers/net/ppp/ppp_synctty.c:343
 tty_ldisc_receive_buf+0x36/0x40 drivers/tty/tty_buffer.c:465
 tty_port_default_receive_buf+0x39/0x60 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:481 [inline]
 flush_to_ldisc+0x81/0xc0 drivers/tty/tty_buffer.c:533
 process_one_work+0x282/0x550 kernel/workqueue.c:2264
 worker_thread+0x2b/0x380 kernel/workqueue.c:2410
 kthread+0x10c/0x130 kernel/kthread.c:255
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..