kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz1,mems_allowed=0,global_oom,task_memcg=/syz1,task=syz-executor.1,pid=292,uid=0 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 292, name: syz-executor.1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.1/292: #0: ffff88801b9ab690 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline] #0: ffff88801b9ab690 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3124 #1: ffffffff85278ee8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278ee8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 292 Comm: syz-executor.1 Not tainted 5.17.0-rc1-next-20220127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9576 __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0x9e/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:987 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990 filemap_fault+0x155a/0x2130 mm/filemap.c:3127 __do_fault+0x113/0x5a0 mm/memory.c:3868 do_read_fault mm/memory.c:4183 [inline] do_fault mm/memory.c:4312 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7fa9eb0d06d7 Code: Unable to access opcode bytes at RIP 0x7fa9eb0d06ad. RSP: 002b:00007ffe0d4ef8c0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000050 RCX: 000000000000000a RDX: 000000000000085c RSI: 0000000000000050 RDI: 00007fa9eb17e053 RBP: 00007ffe0d4ef91c R08: 0000000000000120 R09: 00007ffe0d5d5080 R10: 00007ffe0d5d5090 R11: 0000000000084ff2 R12: 0000000000000064 R13: 0000000000045e6e R14: 000000000000000a R15: 00007ffe0d4ef980 ============================= [ BUG: Invalid wait context ] 5.17.0-rc1-next-20220127 #1 Tainted: G W ----------------------------- syz-executor.1/292 is trying to lock: ffff88800ec72d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff88800ec72d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 other info that might help us debug this: context-{4:4} 3 locks held by syz-executor.1/292: #0: ffff88801b9ab690 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline] #0: ffff88801b9ab690 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3124 #1: ffffffff85278ee8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85278ee8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff88800ec72360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 0 PID: 292 Comm: syz-executor.1 Tainted: G W 5.17.0-rc1-next-20220127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline] check_wait_context kernel/locking/lockdep.c:4739 [inline] __lock_acquire.cold+0xc8/0x3b4 kernel/locking/lockdep.c:4977 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __mutex_lock_common kernel/locking/mutex.c:600 [inline] __mutex_lock+0x136/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:987 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990 filemap_fault+0x155a/0x2130 mm/filemap.c:3127 __do_fault+0x113/0x5a0 mm/memory.c:3868 do_read_fault mm/memory.c:4183 [inline] do_fault mm/memory.c:4312 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7fa9eb0d06d7 Code: Unable to access opcode bytes at RIP 0x7fa9eb0d06ad. RSP: 002b:00007ffe0d4ef8c0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000050 RCX: 000000000000000a RDX: 000000000000085c RSI: 0000000000000050 RDI: 00007fa9eb17e053 RBP: 00007ffe0d4ef91c R08: 0000000000000120 R09: 00007ffe0d5d5080 R10: 00007ffe0d5d5090 R11: 0000000000084ff2 R12: 0000000000000064 R13: 0000000000045e6e R14: 000000000000000a R15: 00007ffe0d4ef980 Out of memory (oom_kill_allocating_task): Killed process 292 (syz-executor.1) total-vm:93280kB, anon-rss:396kB, file-rss:34576kB, shmem-rss:0kB, UID:0 pgtables:120kB oom_score_adj:0 oom_reaper: reaped process 292 (syz-executor.1), now anon-rss:0kB, file-rss:34572kB, shmem-rss:0kB in:imklog invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 CPU: 1 PID: 186 Comm: in:imklog Tainted: G W 5.17.0-rc1-next-20220127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 dump_header+0x106/0x60f mm/oom_kill.c:464 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:987 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990 filemap_fault+0x155a/0x2130 mm/filemap.c:3127 __do_fault+0x113/0x5a0 mm/memory.c:3868 do_read_fault mm/memory.c:4183 [inline] do_fault mm/memory.c:4312 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7fb4ba82508c Code: Unable to access opcode bytes at RIP 0x7fb4ba825062. RSP: 002b:00007fb4b9dc14d0 EFLAGS: 00010246 RAX: 0000000000001e18 RBX: 0000000000000000 RCX: 00007fb4ba82508c RDX: 0000000000001fa0 RSI: 00007fb4b9dc1d00 RDI: 0000000000000005 RBP: 00007fb4bb5064c0 R08: 0000000000000000 R09: 00007fb4bb502e88 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4b9dc1d00 R13: 0000000000001fa0 R14: 00007fb4b9dc1d00 R15: 00007fb4b9dc1d4e Mem-Info: active_anon:11510 inactive_anon:35923 isolated_anon:0 active_file:29 inactive_file:0 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:8737 slab_unreclaimable:59347 mapped:69634 shmem:113 pagetables:1168 bounce:0 kernel_misc_reclaimable:0 free:2876 free_pcp:63 free_cma:0 Node 0 active_anon:46040kB inactive_anon:143692kB active_file:116kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:0kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4640kB pagetables:4672kB all_unreclaimable? no Node 0 DMA free:6512kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 1617 Node 0 DMA32 free:4992kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:0KB active_anon:46040kB inactive_anon:143692kB active_file:32kB inactive_file:60kB unevictable:0kB writepending:0kB present:2080640kB managed:1660812kB mlocked:0kB bounce:0kB free_pcp:252kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 1*2048kB (M) 1*4096kB (M) = 6512kB Node 0 DMA32: 461*4kB (ME) 119*8kB (UM) 64*16kB (UME) 22*32kB (UME) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5036kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 137 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105115 pages reserved Unreclaimable slab info: Name Used Total pid_3 7KB 7KB pid_2 42KB 48KB IEEE-802.15.4-RAW 31KB 31KB p9_req_t 8KB 8KB fib6_nodes 28KB 28KB ip6_dst_cache 35KB 45KB PINGv6 31KB 31KB RAWv6 157KB 157KB UDPLITEv6 31KB 31KB UDPv6 62KB 62KB TCPv6 62KB 62KB scsi_sense_cache 8KB 8KB sd_ext_cdb 3KB 3KB virtio_scsi_cmd 16KB 16KB bio-96 7KB 7KB sgpool-128 119KB 178KB sgpool-64 63KB 63KB sgpool-32 63KB 63KB sgpool-16 53KB 90KB sgpool-8 52KB 52KB mqueue_inode_cache 60KB 60KB nfs_commit_data 15KB 15KB nfs_write_data 47KB 47KB jbd2_inode 7KB 7KB ext4_system_zone 7KB 7KB ext4_io_end_vec 7KB 7KB ext4_bio_post_read_ctx 15KB 15KB io_kiocb 7KB 7KB kioctx 31KB 31KB aio_kiocb 7KB 7KB dio 15KB 15KB pid_namespace 7KB 7KB rpc_buffers 31KB 31KB rpc_tasks 3KB 3KB UNIX-STREAM 135KB 310KB UNIX 193KB 310KB ip4-frags 7KB 7KB tcp_bind_bucket 4KB 4KB inet_peer_cache 4KB 4KB ip_fib_trie 8KB 8KB ip_fib_alias 11KB 11KB ip_dst_cache 8KB 8KB PING 31KB 31KB RAW 31KB 31KB UDP 220KB 220KB request_sock_TCP 15KB 15KB TCP 58KB 58KB hugetlbfs_inode_cache 31KB 31KB bio-224 11KB 11KB ep_head 8KB 8KB eventpoll_pwq 23KB 23KB eventpoll_epi 39KB 39KB inotify_inode_mark 54KB 54KB request_queue 62KB 62KB blkdev_ioc 8KB 8KB bio-160 36KB 36KB biovec-max 595KB 654KB biovec-64 94KB 157KB biovec-16 22KB 22KB user_namespace 15KB 15KB uid_cache 7KB 7KB dmaengine-unmap-2 4KB 4KB audit_buffer 7KB 7KB skbuff_fclone_cache 82KB 112KB skbuff_head_cache 396KB 405KB file_lock_cache 79KB 82KB file_lock_ctx 7KB 7KB fsnotify_mark_connector 28KB 28KB net_namespace 93KB 93KB taskstats 22KB 22KB proc_dir_entry 340KB 352KB pde_opener 11KB 27KB seq_file 41KB 41KB sigqueue 27KB 47KB shmem_inode_cache 1583KB 1623KB kernfs_iattrs_cache 235KB 235KB kernfs_node_cache 5269KB 5292KB mnt_cache 181KB 181KB filp 1580KB 2096KB names_cache 14802KB 14802KB hashtab_node 274KB 274KB ebitmap_node 1149KB 1149KB avtab_node 4976KB 4976KB avc_node 31KB 31KB lsm_inode_cache 3308KB 3336KB lsm_file_cache 82KB 144KB key_jar 31KB 31KB uts_namespace 15KB 15KB nsproxy 11KB 11KB vm_area_struct 818KB 1064KB mm_struct 199KB 378KB fs_cache 48KB 48KB files_cache 165KB 239KB signal_cache 298KB 394KB sighand_cache 360KB 360KB task_struct 1090KB 1444KB cred_jar 134KB 188KB anon_vma_chain 167KB 248KB anon_vma 244KB 244KB pid 79KB 112KB Acpi-Operand 88KB 146KB Acpi-ParseExt 35KB 35KB Acpi-Parse 39KB 55KB Acpi-State 35KB 51KB Acpi-Namespace 28KB 28KB numa_policy 3KB 3KB perf_event 62KB 62KB trace_event_file 175KB 175KB ftrace_event_field 296KB 296KB pool_workqueue 40KB 40KB task_group 16KB 16KB vmap_area 47KB 47KB page->ptl 130KB 181KB kmemleak_scan_area 23KB 23KB kmemleak_object 137342KB 146665KB kmalloc-cg-8k 64KB 64KB kmalloc-cg-4k 832KB 968KB kmalloc-cg-2k 652KB 736KB kmalloc-cg-1k 224KB 224KB kmalloc-cg-512 232KB 232KB kmalloc-cg-256 16KB 16KB kmalloc-cg-192 28KB 28KB kmalloc-cg-128 12KB 12KB kmalloc-cg-96 16KB 16KB kmalloc-cg-64 12KB 12KB kmalloc-cg-32 43KB 72KB kmalloc-cg-16 8KB 8KB kmalloc-cg-8 15KB 15KB kmalloc-8k 4832KB 4960KB kmalloc-4k 6448KB 7200KB kmalloc-2k 3972KB 4448KB kmalloc-1k 3438KB 3840KB kmalloc-512 2576KB 3424KB kmalloc-256 973KB 1088KB kmalloc-192 479KB 532KB kmalloc-128 427KB 576KB kmalloc-96 338KB 524KB kmalloc-64 1004KB 1232KB kmalloc-32 702KB 748KB kmalloc-16 316KB 324KB kmalloc-8 260KB 266KB kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/rsyslog.service,task=in:imklog,pid=186,uid=0 Out of memory (oom_kill_allocating_task): Killed process 182 (rsyslogd) total-vm:220876kB, anon-rss:736kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:60kB oom_score_adj:0 oom_reaper: reaped process 182 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB systemd-udevd invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 CPU: 1 PID: 5242 Comm: systemd-udevd Tainted: G W 5.17.0-rc1-next-20220127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 dump_header+0x106/0x60f mm/oom_kill.c:464 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994 out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:987 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990 filemap_fault+0x155a/0x2130 mm/filemap.c:3127 __do_fault+0x113/0x5a0 mm/memory.c:3868 do_read_fault mm/memory.c:4183 [inline] do_fault mm/memory.c:4312 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f1a41d2aa70 Code: Unable to access opcode bytes at RIP 0x7f1a41d2aa46. RSP: 002b:00007ffcd08b8b90 EFLAGS: 00010206 RAX: 0000000000000001 RBX: 00007ffcd08b8bb0 RCX: 00007f1a42224010 RDX: 0000000000000016 RSI: 0000000000000007 RDI: 00007f1a42a685f0 RBP: 00007f1a42a9cbe0 R08: 00007f1a42ac2b70 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000008 R12: 00007ffcd08b8ba8 R13: 00007f1a42a95520 R14: 0000000000000100 R15: 0000000000000000 Mem-Info: active_anon:11509 inactive_anon:35622 isolated_anon:0 active_file:11 inactive_file:14 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:8687 slab_unreclaimable:59227 mapped:69636 shmem:113 pagetables:1148 bounce:0 kernel_misc_reclaimable:0 free:2794 free_pcp:0 free_cma:0 Node 0 active_anon:46036kB inactive_anon:142488kB active_file:44kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278544kB dirty:0kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4512kB pagetables:4592kB all_unreclaimable? no Node 0 DMA free:6512kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 1617 Node 0 DMA32 free:4664kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:0KB active_anon:46036kB inactive_anon:142488kB active_file:44kB inactive_file:56kB unevictable:0kB writepending:0kB present:2080640kB managed:1660812kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 1*2048kB (M) 1*4096kB (M) = 6512kB Node 0 DMA32: 488*4kB (UME) 123*8kB (UME) 58*16kB (UME) 19*32kB (UME) 5*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4920kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 138 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105115 pages reserved Unreclaimable slab info: Name Used Total pid_3 7KB 7KB pid_2 42KB 48KB IEEE-802.15.4-RAW 31KB 31KB p9_req_t 8KB 8KB fib6_nodes 28KB 28KB ip6_dst_cache 35KB 45KB PINGv6 31KB 31KB RAWv6 157KB 157KB UDPLITEv6 31KB 31KB UDPv6 62KB 62KB TCPv6 62KB 62KB scsi_sense_cache 8KB 8KB sd_ext_cdb 3KB 3KB virtio_scsi_cmd 16KB 16KB bio-96 7KB 7KB sgpool-128 119KB 178KB sgpool-64 63KB 63KB sgpool-32 63KB 63KB sgpool-16 53KB 90KB sgpool-8 52KB 52KB mqueue_inode_cache 60KB 60KB nfs_commit_data 15KB 15KB nfs_write_data 47KB 47KB jbd2_inode 7KB 7KB ext4_system_zone 7KB 7KB ext4_io_end_vec 7KB 7KB ext4_bio_post_read_ctx 15KB 15KB io_kiocb 7KB 7KB kioctx 31KB 31KB aio_kiocb 7KB 7KB dio 15KB 15KB pid_namespace 7KB 7KB rpc_buffers 31KB 31KB rpc_tasks 3KB 3KB UNIX-STREAM 135KB 310KB UNIX 193KB 310KB ip4-frags 7KB 7KB tcp_bind_bucket 4KB 4KB inet_peer_cache 4KB 4KB ip_fib_trie 8KB 8KB ip_fib_alias 11KB 11KB ip_dst_cache 8KB 8KB PING 31KB 31KB RAW 31KB 31KB UDP 220KB 220KB request_sock_TCP 15KB 15KB TCP 58KB 58KB hugetlbfs_inode_cache 31KB 31KB bio-224 11KB 11KB ep_head 8KB 8KB eventpoll_pwq 23KB 23KB eventpoll_epi 39KB 39KB inotify_inode_mark 54KB 54KB request_queue 62KB 62KB blkdev_ioc 8KB 8KB bio-160 36KB 36KB biovec-max 595KB 654KB biovec-64 94KB 157KB biovec-16 22KB 22KB user_namespace 15KB 15KB uid_cache 7KB 7KB dmaengine-unmap-2 4KB 4KB audit_buffer 7KB 7KB skbuff_fclone_cache 82KB 112KB skbuff_head_cache 396KB 405KB file_lock_cache 79KB 82KB file_lock_ctx 7KB 7KB fsnotify_mark_connector 28KB 28KB net_namespace 93KB 93KB taskstats 22KB 22KB proc_dir_entry 340KB 352KB pde_opener 11KB 27KB seq_file 41KB 41KB sigqueue 27KB 47KB shmem_inode_cache 1583KB 1623KB kernfs_iattrs_cache 235KB 235KB kernfs_node_cache 5269KB 5292KB mnt_cache 181KB 181KB filp 1540KB 2081KB names_cache 14301KB 14445KB hashtab_node 274KB 274KB ebitmap_node 1149KB 1149KB avtab_node 4976KB 4976KB avc_node 31KB 31KB lsm_inode_cache 3283KB 3336KB lsm_file_cache 82KB 144KB key_jar 31KB 31KB uts_namespace 15KB 15KB nsproxy 11KB 11KB vm_area_struct 818KB 1064KB mm_struct 199KB 378KB fs_cache 48KB 48KB files_cache 165KB 239KB signal_cache 298KB 394KB sighand_cache 360KB 360KB task_struct 1083KB 1417KB cred_jar 134KB 188KB anon_vma_chain 167KB 248KB anon_vma 235KB 244KB pid 79KB 112KB Acpi-Operand 88KB 146KB Acpi-ParseExt 35KB 35KB Acpi-Parse 39KB 55KB Acpi-State 35KB 51KB Acpi-Namespace 28KB 28KB numa_policy 3KB 3KB perf_event 62KB 62KB trace_event_file 175KB 175KB ftrace_event_field 296KB 296KB pool_workqueue 40KB 40KB task_group 16KB 16KB vmap_area 47KB 47KB page->ptl 130KB 181KB kmemleak_scan_area 23KB 23KB kmemleak_object 136666KB 146635KB kmalloc-cg-8k 64KB 64KB kmalloc-cg-4k 832KB 968KB kmalloc-cg-2k 652KB 736KB kmalloc-cg-1k 224KB 224KB kmalloc-cg-512 232KB 232KB kmalloc-cg-256 16KB 16KB kmalloc-cg-192 28KB 28KB kmalloc-cg-128 12KB 12KB kmalloc-cg-96 16KB 16KB kmalloc-cg-64 12KB 12KB kmalloc-cg-32 43KB 72KB kmalloc-cg-16 8KB 8KB kmalloc-cg-8 15KB 15KB kmalloc-8k 4832KB 4960KB kmalloc-4k 6448KB 7200KB kmalloc-2k 3972KB 4448KB kmalloc-1k 3572KB 3840KB kmalloc-512 2582KB 3408KB kmalloc-256 973KB 1088KB kmalloc-192 479KB 532KB kmalloc-128 427KB 576KB kmalloc-96 338KB 524KB kmalloc-64 1003KB 1232KB kmalloc-32 702KB 748KB kmalloc-16 316KB 324KB kmalloc-8 260KB 266KB kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/systemd-udevd.service,task=systemd-udevd,pid=5242,uid=0 Out of memory (oom_kill_allocating_task): Killed process 5242 (systemd-udevd) total-vm:35620kB, anon-rss:10192kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:64kB oom_score_adj:0 oom_reaper: reaped process 5242 (systemd-udevd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 5179 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB systemd invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 CPU: 0 PID: 1 Comm: systemd Tainted: G W 5.17.0-rc1-next-20220127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 dump_header+0x106/0x60f mm/oom_kill.c:464 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994 out_of_memory+0x358/0x14b0 mm/oom_kill.c:1132 syz-executor.1: page allocation failure: order:0, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=syz1,mems_allowed=0 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:987 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990 filemap_fault+0x155a/0x2130 mm/filemap.c:3127 __do_fault+0x113/0x5a0 mm/memory.c:3868 do_read_fault mm/memory.c:4183 [inline] do_fault mm/memory.c:4312 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7fed0b00fa09 Code: Unable to access opcode bytes at RIP 0x7fed0b00f9df. RSP: 002b:00007ffcbc74d440 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 00007fed0c8b2b00 RCX: 00007fed0ac60116 RDX: 000000000000002d RSI: 00007fed0d1bb2e0 RDI: 0000000000000000 RBP: ffffffffffffffff R08: 0000000000000000 R09: 3f0c95e20679af34 R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000001 R13: 000000000000002d R14: 0000000000000000 R15: 00007fed0b233b4e CPU: 1 PID: 5179 Comm: syz-executor.1 Tainted: G W 5.17.0-rc1-next-20220127 #1 Mem-Info: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: active_anon:11509 inactive_anon:35349 isolated_anon:0 active_file:32 inactive_file:0 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:8687 slab_unreclaimable:59227 mapped:69636 shmem:113 pagetables:1148 bounce:0 kernel_misc_reclaimable:0 free:2409 free_pcp:235 free_cma:0 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 Node 0 active_anon:46036kB inactive_anon:141396kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278544kB dirty:0kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4512kB pagetables:4592kB all_unreclaimable? yes warn_alloc.cold+0x95/0x18a mm/page_alloc.c:4238 Node 0 DMA free:6488kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 __alloc_pages_slowpath.constprop.0+0x1a21/0x1f10 mm/page_alloc.c:5125 1617 Node 0 DMA32 free:3148kB boost:4096kB min:9216kB low:10872kB high:12528kB reserved_highatomic:0KB active_anon:46036kB inactive_anon:141480kB active_file:44kB inactive_file:56kB unevictable:0kB writepending:0kB present:2080640kB managed:1660812kB mlocked:0kB bounce:0kB free_pcp:940kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 0 0 0 0 Node 0 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 DMA: relay_alloc_buf kernel/relay.c:124 [inline] relay_create_buf kernel/relay.c:165 [inline] relay_open_buf.part.0+0x2a4/0xc00 kernel/relay.c:387 0*4kB relay_open_buf kernel/relay.c:384 [inline] relay_open kernel/relay.c:520 [inline] relay_open+0x4ec/0x970 kernel/relay.c:477 1*8kB do_blk_trace_setup+0x4c3/0xc80 kernel/trace/blktrace.c:549 (U) __blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:589 1*16kB (U) 0*32kB blk_trace_ioctl+0x13b/0x270 kernel/trace/blktrace.c:730 1*64kB (U) 0*128kB blkdev_ioctl+0x18d/0x7f0 block/ioctl.c:577 1*256kB (U) 0*512kB 0*1024kB 1*2048kB vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:860 (M) do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 1*4096kB entry_SYSCALL_64_after_hwframe+0x44/0xae (M) RIP: 0033:0x7fa9eb123b19 = 6488kB Code: Unable to access opcode bytes at RIP 0x7fa9eb123aef. Node 0 RSP: 002b:00007fa9e8699188 EFLAGS: 00000246 DMA32: ORIG_RAX: 0000000000000010 365*4kB RAX: ffffffffffffffda RBX: 00007fa9eb236f60 RCX: 00007fa9eb123b19 RDX: 0000000020000100 RSI: 00000000c0481273 RDI: 0000000000000003 (ME) RBP: 00007fa9eb17df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 100*8kB R13: 00007ffe0d4ef66f R14: 00007fa9e8699300 R15: 0000000000022000 (ME) 36*16kB Mem-Info: (UME) active_anon:11509 inactive_anon:35349 isolated_anon:0 active_file:32 inactive_file:0 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:8687 slab_unreclaimable:59227 mapped:69636 shmem:113 pagetables:1148 bounce:0 kernel_misc_reclaimable:0 free:2409 free_pcp:235 free_cma:0 10*32kB (UM) Node 0 active_anon:46036kB inactive_anon:141396kB active_file:128kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278544kB dirty:0kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4512kB pagetables:4592kB all_unreclaimable? yes 0*64kB Node 0 0*128kB DMA free:6488kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0*256kB lowmem_reserve[]: 0 0*512kB 1617 1617 0*1024kB 0*2048kB 1617 0*4096kB Node 0 = 3156kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB DMA32 free:3148kB boost:4096kB min:9216kB low:10872kB high:12528kB reserved_highatomic:0KB active_anon:46036kB inactive_anon:141480kB active_file:44kB inactive_file:56kB unevictable:0kB writepending:0kB present:2080640kB managed:1660812kB mlocked:0kB bounce:0kB free_pcp:940kB local_pcp:940kB free_cma:0kB 138 total pagecache pages lowmem_reserve[]: 0 0 pages in swap cache 0 Swap cache stats: add 0, delete 0, find 0/0 0 Free swap = 0kB 0 Total swap = 0kB 524158 pages RAM Node 0 0 pages HighMem/MovableOnly 105115 pages reserved DMA: Unreclaimable slab info: 0*4kB Name Used Total 1*8kB pid_3 7KB 7KB (U) pid_2 42KB 48KB 1*16kB IEEE-802.15.4-RAW 31KB 31KB (U) p9_req_t 8KB 8KB 0*32kB fib6_nodes 28KB 28KB 1*64kB ip6_dst_cache 35KB 45KB (U) PINGv6 31KB 31KB 0*128kB RAWv6 157KB 157KB 1*256kB UDPLITEv6 31KB 31KB (U) UDPv6 62KB 62KB 0*512kB TCPv6 62KB 62KB 0*1024kB scsi_sense_cache 8KB 8KB 1*2048kB sd_ext_cdb 3KB 3KB (M) virtio_scsi_cmd 16KB 16KB 1*4096kB bio-96 7KB 7KB (M) = 6488kB Node 0 DMA32: 354*4kB (ME) 92*8kB (ME) 33*16kB (ME) 7*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB sgpool-128 119KB 178KB = 2904kB sgpool-64 63KB 63KB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB sgpool-32 63KB 63KB 138 total pagecache pages sgpool-16 53KB 90KB 0 pages in swap cache sgpool-8 52KB 52KB Swap cache stats: add 0, delete 0, find 0/0 mqueue_inode_cache 60KB 60KB Free swap = 0kB nfs_commit_data 15KB 15KB Total swap = 0kB nfs_write_data 47KB 47KB 524158 pages RAM jbd2_inode 7KB 7KB 0 pages HighMem/MovableOnly ext4_system_zone 7KB 7KB 105115 pages reserved ext4_io_end_vec 7KB 7KB ext4_bio_post_read_ctx 15KB 15KB io_kiocb 7KB 7KB kioctx 31KB 31KB aio_kiocb 7KB 7KB dio 15KB 15KB pid_namespace 7KB 7KB rpc_buffers 31KB 31KB rpc_tasks 3KB 3KB UNIX-STREAM 135KB 310KB UNIX 193KB 310KB ip4-frags 7KB 7KB tcp_bind_bucket 4KB 4KB inet_peer_cache 4KB 4KB ip_fib_trie 8KB 8KB ip_fib_alias 11KB 11KB ip_dst_cache 8KB 8KB PING 31KB 31KB RAW 31KB 31KB UDP 220KB 220KB request_sock_TCP 15KB 15KB TCP 58KB 58KB hugetlbfs_inode_cache 31KB 31KB bio-224 11KB 11KB ep_head 8KB 8KB eventpoll_pwq 23KB 23KB eventpoll_epi 39KB 39KB inotify_inode_mark 54KB 54KB request_queue 62KB 62KB blkdev_ioc 8KB 8KB bio-160 36KB 36KB biovec-max 595KB 654KB biovec-64 94KB 157KB biovec-16 22KB 22KB user_namespace 15KB 15KB uid_cache 7KB 7KB dmaengine-unmap-2 4KB 4KB audit_buffer 7KB 7KB skbuff_fclone_cache 82KB 112KB skbuff_head_cache 412KB 412KB file_lock_cache 79KB 82KB file_lock_ctx 7KB 7KB fsnotify_mark_connector 28KB 28KB net_namespace 93KB 93KB taskstats 22KB 22KB proc_dir_entry 340KB 352KB pde_opener 11KB 27KB seq_file 41KB 41KB sigqueue 27KB 47KB shmem_inode_cache 1583KB 1623KB kernfs_iattrs_cache 235KB 235KB kernfs_node_cache 5269KB 5292KB mnt_cache 181KB 181KB filp 1540KB 2081KB names_cache 14301KB 14445KB hashtab_node 274KB 274KB ebitmap_node 1149KB 1149KB avtab_node 4976KB 4976KB avc_node 31KB 31KB lsm_inode_cache 3283KB 3336KB lsm_file_cache 82KB 144KB key_jar 31KB 31KB uts_namespace 15KB 15KB nsproxy 11KB 11KB vm_area_struct 818KB 1064KB mm_struct 199KB 378KB fs_cache 48KB 48KB files_cache 165KB 239KB signal_cache 298KB 394KB sighand_cache 360KB 360KB task_struct 1083KB 1417KB cred_jar 134KB 188KB anon_vma_chain 167KB 248KB anon_vma 233KB 244KB pid 79KB 112KB Acpi-Operand 88KB 146KB Acpi-ParseExt 35KB 35KB Acpi-Parse 39KB 55KB Acpi-State 35KB 51KB Acpi-Namespace 28KB 28KB numa_policy 3KB 3KB perf_event 62KB 62KB trace_event_file 175KB 175KB ftrace_event_field 296KB 296KB pool_workqueue 40KB 40KB task_group 16KB 16KB vmap_area 47KB 47KB page->ptl 130KB 181KB kmemleak_scan_area 23KB 23KB kmemleak_object 136739KB 146635KB kmalloc-cg-8k 64KB 64KB kmalloc-cg-4k 832KB 968KB kmalloc-cg-2k 652KB 736KB kmalloc-cg-1k 224KB 224KB kmalloc-cg-512 232KB 232KB kmalloc-cg-256 16KB 16KB kmalloc-cg-192 28KB 28KB kmalloc-cg-128 12KB 12KB kmalloc-cg-96 16KB 16KB kmalloc-cg-64 12KB 12KB kmalloc-cg-32 43KB 72KB kmalloc-cg-16 8KB 8KB kmalloc-cg-8 15KB 15KB kmalloc-8k 4832KB 4960KB kmalloc-4k 6448KB 7200KB kmalloc-2k 3972KB 4448KB kmalloc-1k 3626KB 3840KB kmalloc-512 2642KB 3408KB kmalloc-256 973KB 1088KB kmalloc-192 479KB 532KB kmalloc-128 427KB 576KB kmalloc-96 338KB 524KB kmalloc-64 1015KB 1232KB kmalloc-32 702KB 748KB kmalloc-16 316KB 324KB kmalloc-8 260KB 266KB kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=5193,uid=0 Out of memory: Killed process 5193 (syz-executor.5) total-vm:93544kB, anon-rss:440kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000