syzbot


WARNING in stack_depot_save

Status: auto-obsoleted due to no activity on 2023/08/11 10:55
Reported-by: syzbot+34dcf717edab6459e986@syzkaller.appspotmail.com
First crash: 588d, last: 588d

Sample crash report:
------------[ cut here ]------------
Stack depot reached limit capacity
WARNING: CPU: 0 PID: 15692 at lib/stackdepot.c:114 stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312
Modules linked in:
CPU: 0 PID: 15692 Comm: syz-executor.1 Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312
lr : depot_alloc_stack lib/stackdepot.c:114 [inline]
lr : stack_depot_save+0x490/0x4a0 lib/stackdepot.c:312
sp : ffff800008007a90
x29: ffff800008007aa0 x28: 00000000000001c0 x27: 00000000000000c0
x26: 0000000000000000 x25: 00000000000cc51a x24: ffff0001b3000000
x23: 00000000035cc51a x22: 00000000000001a0 x21: 0000000000000000
x20: 0000000000000034 x19: ffff800008007b00 x18: 0000000000010a03
x17: ff80800008333ebc x16: 0000000000010a03 x15: ffff800008333ebc
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832b964 x10: 0000000000010a02 x9 : a0142eaec99fd000
x8 : a0142eaec99fd000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000080071f8 x4 : ffff8000149af940 x3 : ffff800008334008
x2 : 0000000000000001 x1 : 0000000100010a02 x0 : 0000000000000022
Call trace:
 stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312
 kasan_save_stack+0x54/0x68 mm/kasan/common.c:40
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 irq_work_queue_on+0xcc/0x224 kernel/irq_work.c:101
 rto_push_irq_work_func+0x13c/0x340 kernel/sched/rt.c:2187
 irq_work_single+0xbc/0x1e4 kernel/irq_work.c:155
 flush_smp_call_function_queue+0x510/0x8c4 kernel/smp.c:666
 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:544
 do_handle_IPI arch/arm64/kernel/smp.c:902 [inline]
 ipi_handler+0x15c/0x7d4 arch/arm64/kernel/smp.c:948
 handle_percpu_devid_irq+0x29c/0x7fc kernel/irq/chip.c:933
 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
 handle_irq_desc kernel/irq/irqdesc.c:651 [inline]
 handle_domain_irq+0xec/0x178 kernel/irq/irqdesc.c:706
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757
 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899
 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580
 prandom_u32_add_noise include/linux/prandom.h:57 [inline]
 __dev_queue_xmit+0xe9c/0x2a6c net/core/dev.c:4218
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4256
 neigh_hh_output include/net/neighbour.h:500 [inline]
 neigh_output include/net/neighbour.h:514 [inline]
 ip6_finish_output2+0x1310/0x1c48 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x518/0x67c net/ipv6/ip6_output.c:191
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:449 [inline]
 ip6_local_out+0x120/0x160 net/ipv6/output_core.c:161
 ip6_send_skb+0x118/0x428 net/ipv6/ip6_output.c:1932
 ip6_push_pending_frames+0xd0/0x118 net/ipv6/ip6_output.c:1952
 icmpv6_push_pending_frames+0x244/0x398 net/ipv6/icmp.c:311
 icmp6_send+0x11a4/0x1b0c net/ipv6/icmp.c:627
 __icmpv6_send include/linux/icmpv6.h:28 [inline]
 icmpv6_send include/linux/icmpv6.h:49 [inline]
 ip6_link_failure+0x44/0x4a8 net/ipv6/route.c:2790
 dst_link_failure include/net/dst.h:428 [inline]
 ipip6_tunnel_xmit net/ipv6/sit.c:1045 [inline]
 sit_tunnel_xmit+0xa6c/0x22bc net/ipv6/sit.c:1082
 __netdev_start_xmit include/linux/netdevice.h:5019 [inline]
 netdev_start_xmit include/linux/netdevice.h:5033 [inline]
 xmit_one net/core/dev.c:3592 [inline]
 dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3608
 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4223
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4256
 neigh_connected_output+0x334/0x378 net/core/neighbour.c:1553
 neigh_output include/net/neighbour.h:516 [inline]
 ip6_finish_output2+0x1344/0x1c48 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x518/0x67c net/ipv6/ip6_output.c:191
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:449 [inline]
 ip6_local_out+0x120/0x160 net/ipv6/output_core.c:161
 ip6_send_skb+0x118/0x428 net/ipv6/ip6_output.c:1932
 udp_v6_send_skb+0x890/0x1444 net/ipv6/udp.c:1253
 udpv6_sendmsg+0x19ac/0x291c net/ipv6/udp.c:1551
 inet6_sendmsg+0xb4/0xd8 net/ipv6/af_inet6.c:644
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x584/0x870 net/socket.c:2412
 ___sys_sendmsg+0x214/0x294 net/socket.c:2466
 __sys_sendmmsg+0x23c/0x648 net/socket.c:2552
 __do_sys_sendmmsg net/socket.c:2581 [inline]
 __se_sys_sendmmsg net/socket.c:2578 [inline]
 __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2578
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 39093
hardirqs last  enabled at (39092): [<ffff800010867ecc>] seqcount_lockdep_reader_access include/linux/seqlock.h:105 [inline]
hardirqs last  enabled at (39092): [<ffff800010867ecc>] read_seqbegin include/linux/seqlock.h:840 [inline]
hardirqs last  enabled at (39092): [<ffff800010867ecc>] neigh_hh_output include/net/neighbour.h:470 [inline]
hardirqs last  enabled at (39092): [<ffff800010867ecc>] neigh_output include/net/neighbour.h:514 [inline]
hardirqs last  enabled at (39092): [<ffff800010867ecc>] ip6_finish_output2+0xfe8/0x1c48 net/ipv6/ip6_output.c:126
hardirqs last disabled at (39093): [<ffff80001193f010>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (39022): [<ffff8000109d0efc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (39024): [<ffff800010869298>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 855c59e40c7025d1 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/13 10:55 linux-5.15.y d86dfc4d95cd 82d5e53e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in stack_depot_save
* Struck through repros no longer work on HEAD.