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kernel panic: System is deadlocked on memory (2)

Status: upstream: reported on 2024/08/12 10:54
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+c61d6962d0b7e698439e@syzkaller.appspotmail.com
First crash: 355d, last: 2d02h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] kernel panic: System is deadlocked on memory (2) 0 (1) 2024/08/12 10:54
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: System is deadlocked on memory mm C done 43 1813d 1811d 15/29 fixed on 2020/11/16 12:12

Sample crash report:
cred                     151KB        308KB
anon_vma_chain           117KB        181KB
anon_vma                 166KB        270KB
pid                      219KB        480KB
Acpi-Operand             276KB        384KB
Acpi-ParseExt             59KB         86KB
Acpi-Parse                63KB        102KB
Acpi-State                66KB        102KB
Acpi-Namespace            60KB         60KB
shared_policy_node         12KB         12KB
numa_policy               15KB         15KB
perf_event                31KB         31KB
trace_event_file         544KB        544KB
ftrace_event_field       1008KB       1008KB
pool_workqueue          1804KB       1936KB
maple_node               449KB       1192KB
task_group                61KB         61KB
mm_struct                475KB        591KB
vmap_area                337KB       1128KB
debug_objects_cache       2346KB       3565KB
page->ptl                 61KB         90KB
kmalloc-cg-8k           1568KB       1696KB
kmalloc-cg-4k          10952KB      13664KB
kmalloc-cg-2k           7648KB      10176KB
kmalloc-cg-1k           1726KB       3072KB
kmalloc-cg-512          1037KB       1904KB
kmalloc-cg-256           448KB        608KB
kmalloc-cg-128           200KB        320KB
kmalloc-cg-64             98KB        108KB
kmalloc-cg-32             72KB        164KB
kmalloc-cg-16             16KB         20KB
kmalloc-cg-8              40KB         40KB
kmalloc-cg-192            76KB         76KB
kmalloc-cg-96             40KB         64KB
kmalloc-8k              4352KB       4960KB
kmalloc-4k              4864KB       8416KB
kmalloc-2k             12484KB      13568KB
kmalloc-1k              8246KB      10848KB
kmalloc-512             7987KB      10944KB
kmalloc-256            16002KB      16020KB
kmalloc-128              911KB       1196KB
kmalloc-64              6313KB       7996KB
kmalloc-32              1601KB       3100KB
kmalloc-16               556KB        644KB
kmalloc-8                374KB        600KB
kmalloc-192             1445KB       2032KB
kmalloc-96              1599KB       2096KB
kmem_cache_node          219KB        224KB
kmem_cache               195KB        195KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 3 UID: 0 PID: 34 Comm: kworker/3:0 Not tainted 6.16.0-rc3-syzkaller-00233-g35e261cd95dd #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events p9_poll_workfn
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:120
 panic+0x71c/0x800 kernel/panic.c:382
 out_of_memory+0x16e4/0x1700 mm/oom_kill.c:1175
 __alloc_pages_may_oom mm/page_alloc.c:3836 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4646 [inline]
 __alloc_frozen_pages_noprof+0x1d53/0x23f0 mm/page_alloc.c:4972
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419
 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline]
 alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2510
 vm_area_alloc_pages mm/vmalloc.c:3634 [inline]
 __vmalloc_area_node mm/vmalloc.c:3712 [inline]
 __vmalloc_node_range_noprof+0x72f/0x14b0 mm/vmalloc.c:3885
 vmalloc_user_noprof+0x9e/0xe0 mm/vmalloc.c:4038
 vb2_vmalloc_alloc+0x135/0x3f0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:47
 __vb2_buf_mem_alloc drivers/media/common/videobuf2/videobuf2-core.c:242 [inline]
 __vb2_queue_alloc+0x8c6/0x1280 drivers/media/common/videobuf2/videobuf2-core.c:523
 vb2_core_reqbufs+0xa90/0xfe0 drivers/media/common/videobuf2/videobuf2-core.c:964
 __vb2_init_fileio+0x3f1/0x1100 drivers/media/common/videobuf2/videobuf2-core.c:2895
 vb2_core_poll+0x486/0x700 drivers/media/common/videobuf2/videobuf2-core.c:2734
 vb2_poll+0x33/0x150 drivers/media/common/videobuf2/videobuf2-v4l2.c:979
 vb2_fop_poll+0x10f/0x2c0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1244
 v4l2_poll+0x163/0x320 drivers/media/v4l2-core/v4l2-dev.c:350
 vfs_poll include/linux/poll.h:82 [inline]
 p9_fd_poll+0x1c6/0x2c0 net/9p/trans_fd.c:240
 p9_poll_mux net/9p/trans_fd.c:630 [inline]
 p9_poll_workfn+0x209/0x4e0 net/9p/trans_fd.c:1172
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c5/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (41):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/28 10:25 upstream 35e261cd95dd fc9d8ee5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/27 21:05 upstream 67a993863163 803ce19b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/11 01:24 upstream f09079bd04a9 5d7e17ca .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/09 22:23 upstream 19272b37aa4f 4826c28e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/06 11:33 upstream e271ed52b344 3d899f2c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/02 15:23 upstream cd2e103d57e5 aaaaf5ea .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/06/02 08:02 upstream cd2e103d57e5 3d2f584d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/22 20:35 upstream 5cdb2c77c4c3 0919b50b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/19 17:41 upstream a5806cd506af 8f9cf946 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/19 17:40 upstream a5806cd506af 8f9cf946 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/19 12:59 upstream a5806cd506af 8f9cf946 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/19 00:36 upstream a5806cd506af f41472b0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/08 03:27 upstream 707df3375124 dbf35fa1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/05/07 07:46 upstream 0d8d44db295c 350f4ffc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/04/20 09:13 upstream 119009db2674 2a20f901 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/04/17 17:38 upstream cfb2e2c57aef 552876f8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/03/24 17:22 upstream 38fec10eb60d 875573af .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/03/07 19:17 upstream 00a7d39898c8 7e3bd60d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/03/07 16:11 upstream 00a7d39898c8 7e3bd60d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/02/27 04:39 upstream 5394eea10651 6a8fcbc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/02/25 00:31 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/02/01 21:22 upstream 69e858e0b8b2 0dff8567 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2025/01/03 09:16 upstream 0bc21e701a6f d3ccff63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/12/15 03:53 upstream a0e3919a2df2 7cbfbb3a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/12/04 07:37 upstream ceb8bf2ceaa7 b50eb251 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/10/16 21:43 upstream c964ced77262 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/10/12 01:41 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/09/16 18:08 upstream 114143a59589 49cf0773 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/26 07:00 upstream 5be63fc19fca d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/26 06:39 upstream 5be63fc19fca d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/26 06:38 upstream 5be63fc19fca d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/25 13:05 upstream 780bdc1ba776 d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/25 12:58 upstream 780bdc1ba776 d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/24 23:38 upstream d2bafcf224f3 d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/23 08:47 upstream aa0743a22936 ce8a9099 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: System is deadlocked on memory
2024/08/21 10:49 upstream b311c1b497e5 db5852f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/12 10:53 upstream 7c626ce4bae1 1fef415f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/08/03 16:17 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: System is deadlocked on memory
2024/07/29 00:20 upstream 5437f30d3458 46eb10b7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/07/19 05:11 upstream 720261cfc732 ee4e11c8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
2024/07/09 15:24 upstream 4376e966ecb7 39158d80 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel panic: System is deadlocked on memory
* Struck through repros no longer work on HEAD.