syzbot


WARNING in place_entity

Status: closed as invalid on 2024/09/13 10:29
Subsystems: kernel
[Documentation on labels]
First crash: 182d, last: 174d

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5234 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337
Modules linked in:
CPU: 1 UID: 0 PID: 5234 Comm: syz-executor Not tainted 6.11.0-rc5-next-20240827-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337
Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f
RSP: 0018:ffffc90000a18a10 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000
RDX: 0000000000000400 RSI: ffff888026a90080 RDI: ffff888026a90100
RBP: dffffc0000000000 R08: ffff8880733b8147 R09: 1ffff1100e677028
R10: dffffc0000000000 R11: ffffed100e677029 R12: 000000000a3967da
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888026a90080
FS:  000055555840b500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0208ffe00 CR3: 00000000643f8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409
 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985
 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014
 activate_task kernel/sched/core.c:2056 [inline]
 ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665
 ttwu_queue kernel/sched/core.c:3940 [inline]
 try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266
 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9f7/0xf50 kernel/printk/printk.c:3083
Code: 20 00 90 0f 0b 90 e9 f3 f9 ff ff e8 73 00 20 00 e8 1e ff 4b 0a 4d 85 f6 74 c0 e8 64 00 20 00 fb 49 bd 00 00 00 00 00 fc ff df <43> 80 3c 2f 00 48 8b 5c 24 30 74 08 48 89 df e8 a5 d7 88 00 4c 8b
RSP: 0018:ffffc90003b8e1a0 EFLAGS: 00000293
RAX: ffffffff81740dfc RBX: 0000000000000000 RCX: ffff888021703c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b8e330 R08: ffffffff81740da3 R09: 1ffffffff26f6f00
R10: dffffc0000000000 R11: fffffbfff26f6f01 R12: ffffffff8f172ba0
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1e2e57f
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3153
 vprintk_emit+0x87d/0xa10 kernel/printk/printk.c:2399
 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4907
 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4918
 __netdev_printk+0x3e0/0x4d0 net/core/dev.c:11787
 netdev_info+0x122/0x170 net/core/dev.c:11842
 nsim_udp_tunnel_set_port+0x2af/0x460 drivers/net/netdevsim/udp_tunnels.c:34
 udp_tunnel_nic_device_sync_by_port net/ipv4/udp_tunnel_nic.c:246 [inline]
 __udp_tunnel_nic_device_sync+0xa1f/0x1380 net/ipv4/udp_tunnel_nic.c:289
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:312 [inline]
 __udp_tunnel_nic_add_port+0xc15/0xee0 net/ipv4/udp_tunnel_nic.c:531
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:350 [inline]
 udp_tunnel_notify_add_rx_port+0x30a/0x4d0 net/ipv4/udp_tunnel_core.c:127
 geneve_socket_create drivers/net/geneve.c:609 [inline]
 geneve_sock_add+0x647/0xbc0 drivers/net/geneve.c:684
 geneve_open+0xe3/0x160 drivers/net/geneve.c:726
 __dev_open+0x2d3/0x450 net/core/dev.c:1475
 __dev_change_flags+0x1e2/0x6f0 net/core/dev.c:8840
 dev_change_flags+0x8b/0x1a0 net/core/dev.c:8912
 do_setlink+0xcd0/0x41f0 net/core/rtnetlink.c:2900
 __rtnl_newlink net/core/rtnetlink.c:3696 [inline]
 rtnl_newlink+0x180d/0x20a0 net/core/rtnetlink.c:3743
 rtnetlink_rcv_msg+0x73f/0xcf0 net/core/rtnetlink.c:6646
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x39b/0x4f0 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2212
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb4a877bd0c
Code: 2a 5a 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5a 02 00 48 8b
RSP: 002b:00007ffe35015f00 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fb4a9444620 RCX: 00007fb4a877bd0c
RDX: 000000000000002c RSI: 00007fb4a9444670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe35015f54 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fb4a9444670 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	20 00                	and    %al,(%rax)
   2:	90                   	nop
   3:	0f 0b                	ud2
   5:	90                   	nop
   6:	e9 f3 f9 ff ff       	jmp    0xfffff9fe
   b:	e8 73 00 20 00       	call   0x200083
  10:	e8 1e ff 4b 0a       	call   0xa4bff33
  15:	4d 85 f6             	test   %r14,%r14
  18:	74 c0                	je     0xffffffda
  1a:	e8 64 00 20 00       	call   0x200083
  1f:	fb                   	sti
  20:	49 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%r13
  27:	fc ff df
* 2a:	43 80 3c 2f 00       	cmpb   $0x0,(%r15,%r13,1) <-- trapping instruction
  2f:	48 8b 5c 24 30       	mov    0x30(%rsp),%rbx
  34:	74 08                	je     0x3e
  36:	48 89 df             	mov    %rbx,%rdi
  39:	e8 a5 d7 88 00       	call   0x88d7e3
  3e:	4c                   	rex.WR
  3f:	8b                   	.byte 0x8b

Crashes (67):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/28 06:17 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/28 04:38 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/28 02:50 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/28 01:29 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/27 23:03 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/27 20:50 linux-next 6f923748057a 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/23 12:28 linux-next c79c85875f1a ce8a9099 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/23 10:47 linux-next c79c85875f1a ce8a9099 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 23:21 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 22:18 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 21:10 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 16:16 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 13:32 linux-next 6a7917c89f21 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 10:54 linux-next 6a7917c89f21 ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 05:35 linux-next eb8c5ca373cb ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 05:18 linux-next eb8c5ca373cb ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/22 02:35 linux-next eb8c5ca373cb ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 23:05 linux-next eb8c5ca373cb ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 22:05 linux-next eb8c5ca373cb ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 19:13 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 18:40 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 17:49 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 16:46 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 15:46 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 15:19 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 14:01 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 11:40 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 10:35 linux-next eb8c5ca373cb db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 08:24 linux-next eb8c5ca373cb 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 08:11 linux-next eb8c5ca373cb 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 07:29 linux-next eb8c5ca373cb 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 07:10 linux-next eb8c5ca373cb 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 07:10 linux-next eb8c5ca373cb 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 03:28 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 02:14 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 01:26 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 01:14 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/21 00:39 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 22:36 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 19:49 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 19:38 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 19:16 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 18:33 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 18:05 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 17:25 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 17:09 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 16:12 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 14:46 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 14:40 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 14:03 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 12:26 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 12:06 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 08:18 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
2024/08/20 06:03 linux-next bb1b0acdcd66 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in place_entity
* Struck through repros no longer work on HEAD.