snd_pcm_lib_malloc_pages+0x33a/0x790 sound/core/pcm_memory.c:455 snd_pcm_hw_params+0x7e4/0x1ce0 sound/core/pcm_native.c:820 snd_pcm_oss_change_params_locked+0x201f/0x3e00 sound/core/oss/pcm_oss.c:967 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1108 [inline] snd_pcm_oss_make_ready sound/core/oss/pcm_oss.c:1167 [inline] snd_pcm_oss_sync+0x43a/0xfc0 sound/core/oss/pcm_oss.c:1739 snd_pcm_oss_release+0xff/0x250 sound/core/oss/pcm_oss.c:2590 __fput+0x44f/0xa60 fs/file_table.c:510 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x70f/0x22c0 kernel/exit.c:976 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119 get_signal+0x1284/0x1330 kernel/signal.c:3037 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x8c/0x4d0 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x33e/0x560 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45e5d9ce59 Code: Unable to access opcode bytes at 0x7f45e5d9ce2f. RSP: 002b:00007f45e6cfffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: 0000200000800000 RBX: 00007f45e6015fa0 RCX: 00007f45e5d9ce59 RDX: 0000000003000009 RSI: 0000000000800000 RDI: 0000200000800000 RBP: 00007f45e5e32d6f R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000046031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45e6016038 R14: 00007f45e6015fa0 R15: 00007fffd4423938 Mem-Info: active_anon:1649 inactive_anon:0 isolated_anon:0 active_file:1175 inactive_file:38618 isolated_file:0 unevictable:1768 dirty:0 writeback:0 slab_reclaimable:6671 slab_unreclaimable:30384 mapped:1136 shmem:2230 pagetables:302 sec_pagetables:290 bounce:0 kernel_misc_reclaimable:0 free:56501 free_pcp:647 free_cma:0 Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:1500kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:1500kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2304kB pagetables:488kB sec_pagetables:1084kB all_unreclaimable? yes Balloon:0kB gpu_active:0kB gpu_reclaim:0kB Node 0 DMA free:1460kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 113 113 113 113 Node 0 DMA32 free:6352kB boost:2048kB min:6360kB low:7436kB high:8512kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:1500kB writepending:0kB zspages:0kB present:770052kB managed:116264kB mlocked:0kB bounce:0kB free_pcp:2588kB local_pcp:2588kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 15*4kB (U) 9*8kB (U) 7*16kB (U) 12*32kB (U) 3*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 1460kB Node 0 DMA32: 20*4kB (UME) 14*8kB (UME) 39*16kB (UME) 35*32kB (UME) 5*64kB (ME) 4*128kB (UME) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 6352kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=2 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 42070 total pagecache pages 48 pages in swap cache Free swap = 124628kB Total swap = 124996kB 393083 pages RAM 0 pages HighMem/MovableOnly 187474 pages reserved 0 pages cma reserved Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: vpanic+0x56c/0xa60 kernel/panic.c:650 panic+0xc5/0xd0 kernel/panic.c:787 out_of_memory+0x1378/0x1410 mm/oom_kill.c:1166 __alloc_pages_may_oom+0x1ea/0x330 mm/page_alloc.c:4116 __alloc_pages_slowpath+0x6c2/0xd40 mm/page_alloc.c:4914 __alloc_frozen_pages_noprof+0x322/0x380 mm/page_alloc.c:5239 alloc_pages_mpol+0x235/0x490 mm/mempolicy.c:2490 alloc_frozen_pages_noprof mm/mempolicy.c:2561 [inline] alloc_pages_noprof+0xac/0x2a0 mm/mempolicy.c:2581 vm_area_alloc_pages mm/vmalloc.c:3728 [inline] __vmalloc_area_node mm/vmalloc.c:3878 [inline] __vmalloc_node_range_noprof+0xda6/0x1750 mm/vmalloc.c:4064 __vmalloc_node_noprof mm/vmalloc.c:4124 [inline] vmalloc_noprof+0xb2/0xe0 mm/vmalloc.c:4159 __snd_dma_alloc_pages sound/core/memalloc.c:45 [inline] snd_dma_alloc_dir_pages+0x120/0x220 sound/core/memalloc.c:79 do_alloc_pages+0x12a/0x250 sound/core/pcm_memory.c:69 snd_pcm_lib_malloc_pages+0x33a/0x790 sound/core/pcm_memory.c:455 snd_pcm_hw_params+0x7e4/0x1ce0 sound/core/pcm_native.c:820 snd_pcm_oss_change_params_locked+0x201f/0x3e00 sound/core/oss/pcm_oss.c:967 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1108 [inline] snd_pcm_oss_make_ready sound/core/oss/pcm_oss.c:1167 [inline] snd_pcm_oss_sync+0x43a/0xfc0 sound/core/oss/pcm_oss.c:1739 snd_pcm_oss_release+0xff/0x250 sound/core/oss/pcm_oss.c:2590 __fput+0x44f/0xa60 fs/file_table.c:510 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x70f/0x22c0 kernel/exit.c:976 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119 get_signal+0x1284/0x1330 kernel/signal.c:3037 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x8c/0x4d0 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x33e/0x560 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45e5d9ce59 Code: Unable to access opcode bytes at 0x7f45e5d9ce2f. RSP: 002b:00007f45e6cfffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: 0000200000800000 RBX: 00007f45e6015fa0 RCX: 00007f45e5d9ce59 RDX: 0000000003000009 RSI: 0000000000800000 RDI: 0000200000800000 RBP: 00007f45e5e32d6f R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000046031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45e6016038 R14: 00007f45e6015fa0 R15: 00007fffd4423938 Kernel Offset: disabled Rebooting in 86400 seconds..