program: r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0) open_by_handle_at(r0, &(0x7f0000000240)=@reiserfs_2={0x4b, 0x2, {0xb}}, 0x0) r1 = openat$vimc0(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$VIDIOC_STREAMON(r1, 0x40045612, &(0x7f0000000080)=0xc) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x8, 0x110, r0, 0xf03c2000) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000000), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=@ipv6_delrule={0x30, 0x21, 0x1, 0x0, 0x0, {0xa, 0x10}, [@FRA_DST={0x14, 0x1, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x30}}, 0x0) sendmsg$IPVS_CMD_NEW_SERVICE(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000010000000000010000003c000180060001000a000000090006006e6f6e650000000008000900640000000c0007000000000000000000080005000000000008000800000000000bb6e6467cd8dbcfe06a2374dbd26ec2d31ab48ce124cfecf6fba7946359c67b6526d6e6d0356064a379b88b8ed5e4d74006f85ff063ac3c55a0ee1b37b55b2aedb7a581a4b23cc69313a1756708ab9a0eed0df950128b346cbed7238259dc38415ad71470000b16d26818dfb6f41beba8cf86d269c591cf40697c97cd6e8aac94ae331677d518b3b8961b3e996a82071dc2522613243b2233712f3612e8c461"], 0x50}}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1b, 0x10, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000000000000000000000000000b7080000000000007b8af8ff00000000b7"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) syz_emit_vhci(&(0x7f0000000000)=ANY=[@ANYBLOB="043e751d"], 0x24) openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x2c601, 0xc6) syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="043e1f1b"], 0x22) r5 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r5, &(0x7f0000f5dfe4)={0xa, 0x4e20, 0x0, @empty}, 0x1c) setsockopt$inet6_IPV6_DSTOPTS(r5, 0x29, 0x3b, &(0x7f0000000080)=ANY=[], 0x8) setsockopt$inet6_int(r5, 0x29, 0x38, &(0x7f0000001740)=0x6, 0x4) recvmmsg(r5, &(0x7f0000000040), 0x400000000000284, 0x2, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x0, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @mcast1}, 0x1c) syz_emit_ethernet(0x56, &(0x7f0000000300)={@local, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb653e", 0x20, 0x3a, 0x0, @ipv4={'\x00', '\xff\xff', @remote}, @mcast2, {[@routing={0x2c, 0x0, 0x1, 0x8}], @mld={0x82, 0x0, 0x0, 0xff, 0xffff, @private1={0xfc, 0x1, '\x00', 0x1}}}}}}}, 0x0) [ 68.683151][ T5321] Bluetooth: hci0: command tx timeout [ 68.802218][ T5334] IPVS: starting estimator thread 0... [ 68.805640][ T5321] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:585 [ 68.810976][ T5321] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5321, name: kworker/u5:2 [ 68.814123][ T5321] preempt_count: 0, expected: 0 [ 68.816502][ T5321] RCU nest depth: 1, expected: 0 [ 68.818783][ T5321] 4 locks held by kworker/u5:2/5321: [ 68.820799][ T5321] #0: ffff88803f3f7948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 68.825159][ T5321] #1: ffffc9000d407d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 68.830750][ T5321] #2: ffff888042850078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xcf/0xae0 [ 68.834949][ T5321] #3: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0xdb/0xae0 [ 68.839943][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: kworker/u5:2 Not tainted 6.12.0-rc7-syzkaller #0 [ 68.843391][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.847588][ T5321] Workqueue: hci0 hci_rx_work [ 68.849373][ T5321] Call Trace: [ 68.850574][ T5321] [ 68.851693][ T5321] dump_stack_lvl+0x241/0x360 [ 68.853433][ T5321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.855296][ T5321] ? __pfx__printk+0x10/0x10 [ 68.857038][ T5321] __might_resched+0x5d4/0x780 [ 68.858736][ T5321] ? __mutex_lock+0x112/0xd70 [ 68.860455][ T5321] ? __pfx___might_resched+0x10/0x10 [ 68.862406][ T5321] __mutex_lock+0xc1/0xd70 [ 68.864193][ T5321] ? __pfx_lock_acquire+0x10/0x10 [ 68.866143][ T5321] ? hci_le_create_big_complete_evt+0x3d9/0xae0 [ 68.868567][ T5321] ? __pfx_lock_release+0x10/0x10 [ 68.870464][ T5321] ? __pfx___mutex_lock+0x10/0x10 [ 68.872653][ T5321] ? trace_contention_end+0x3c/0x120 [ 68.874918][ T5321] ? skb_pull_data+0x112/0x230 [ 68.877811][ T5321] ? hci_conn_set_handle+0x9a/0x270 [ 68.879953][ T5321] hci_le_create_big_complete_evt+0x3d9/0xae0 [ 68.882386][ T5321] ? __copy_skb_header+0x437/0x5b0 [ 68.884478][ T5321] ? hci_le_create_big_complete_evt+0xdb/0xae0 [ 68.886814][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 68.889216][ T5321] ? hci_le_meta_evt+0x366/0x580 [ 68.891088][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 68.893673][ T5321] hci_event_packet+0xa55/0x1540 [ 68.895612][ T5321] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 68.897718][ T5321] ? __pfx_hci_event_packet+0x10/0x10 [ 68.899792][ T5321] ? set_advertising_complete+0x450/0x6f0 [ 68.902098][ T5321] ? kcov_remote_start+0x97/0x7d0 [ 68.904071][ T5321] hci_rx_work+0x3fe/0xd80 [ 68.905724][ T5321] ? process_scheduled_works+0x976/0x1850 [ 68.907874][ T5321] process_scheduled_works+0xa63/0x1850 [ 68.910039][ T5321] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.912267][ T5321] ? assign_work+0x364/0x3d0 [ 68.913818][ T5321] worker_thread+0x870/0xd30 [ 68.915452][ T5321] ? __kthread_parkme+0x169/0x1d0 [ 68.917379][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 68.919368][ T5321] kthread+0x2f0/0x390 [ 68.921001][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 68.923000][ T5321] ? __pfx_kthread+0x10/0x10 [ 68.924751][ T5321] ret_from_fork+0x4b/0x80 [ 68.926477][ T5321] ? __pfx_kthread+0x10/0x10 [ 68.928184][ T5321] ret_from_fork_asm+0x1a/0x30 [ 68.930035][ T5321] [ 68.943376][ T5321] [ 68.944227][ T5321] ============================= [ 68.945822][ T5321] [ BUG: Invalid wait context ] [ 68.947634][ T5321] 6.12.0-rc7-syzkaller #0 Tainted: G W [ 68.950327][ T5321] ----------------------------- [ 68.952140][ T5321] kworker/u5:2/5321 is trying to lock: [ 68.954149][ T5321] ffffffff8fe402a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0x3d9/0xae0 [ 68.958166][ T5321] other info that might help us debug this: [ 68.960225][ T5321] context-{4:4} [ 68.961555][ T5321] 4 locks held by kworker/u5:2/5321: [ 68.963840][ T5321] #0: ffff88803f3f7948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 68.968300][ T5321] #1: ffffc9000d407d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 68.972717][ T5321] #2: ffff888042850078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xcf/0xae0 [ 68.976505][ T5321] #3: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0xdb/0xae0 [ 68.980872][ T5321] stack backtrace: [ 68.982260][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: kworker/u5:2 Tainted: G W 6.12.0-rc7-syzkaller #0 [ 68.986123][ T5321] Tainted: [W]=WARN [ 68.987546][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.991646][ T5321] Workqueue: hci0 hci_rx_work [ 68.993387][ T5321] Call Trace: [ 68.994684][ T5321] [ 68.995949][ T5321] dump_stack_lvl+0x241/0x360 [ 68.998058][ T5321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.000100][ T5321] ? __pfx__printk+0x10/0x10 [ 69.002039][ T5321] __lock_acquire+0x154a/0x2050 [ 69.003913][ T5321] lock_acquire+0x1ed/0x550 [ 69.005660][ T5321] ? hci_le_create_big_complete_evt+0x3d9/0xae0 [ 69.008063][ T5321] ? __pfx_lock_acquire+0x10/0x10 [ 69.010004][ T5321] ? __mutex_lock+0x112/0xd70 [ 69.011989][ T5321] ? __pfx___might_resched+0x10/0x10 [ 69.014056][ T5321] __mutex_lock+0x136/0xd70 [ 69.015873][ T5321] ? hci_le_create_big_complete_evt+0x3d9/0xae0 [ 69.018332][ T5321] ? __pfx_lock_acquire+0x10/0x10 [ 69.020328][ T5321] ? hci_le_create_big_complete_evt+0x3d9/0xae0 [ 69.022778][ T5321] ? __pfx_lock_release+0x10/0x10 [ 69.024729][ T5321] ? __pfx___mutex_lock+0x10/0x10 [ 69.026651][ T5321] ? trace_contention_end+0x3c/0x120 [ 69.028651][ T5321] ? skb_pull_data+0x112/0x230 [ 69.030533][ T5321] ? hci_conn_set_handle+0x9a/0x270 [ 69.032568][ T5321] hci_le_create_big_complete_evt+0x3d9/0xae0 [ 69.035023][ T5321] ? __copy_skb_header+0x437/0x5b0 [ 69.037142][ T5321] ? hci_le_create_big_complete_evt+0xdb/0xae0 [ 69.039498][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.041953][ T5321] ? hci_le_meta_evt+0x366/0x580 [ 69.043937][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.046464][ T5321] hci_event_packet+0xa55/0x1540 [ 69.048409][ T5321] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 69.050353][ T5321] ? __pfx_hci_event_packet+0x10/0x10 [ 69.052394][ T5321] ? set_advertising_complete+0x450/0x6f0 [ 69.054508][ T5321] ? kcov_remote_start+0x97/0x7d0 [ 69.056476][ T5321] hci_rx_work+0x3fe/0xd80 [ 69.058302][ T5321] ? process_scheduled_works+0x976/0x1850 [ 69.060553][ T5321] process_scheduled_works+0xa63/0x1850 [ 69.062666][ T5321] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.065023][ T5321] ? assign_work+0x364/0x3d0 [ 69.066842][ T5321] worker_thread+0x870/0xd30 [ 69.068537][ T5321] ? __kthread_parkme+0x169/0x1d0 [ 69.070484][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.072485][ T5321] kthread+0x2f0/0x390 [ 69.074162][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.076165][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.077986][ T5321] ret_from_fork+0x4b/0x80 [ 69.079714][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.081483][ T5321] ret_from_fork_asm+0x1a/0x30 [ 69.083308][ T5321] [ 69.089619][ T5338] IPVS: using max 60 ests per chain, 144000 per kthread [ 69.093640][ T5321] ================================================================== [ 69.096529][ T5321] BUG: KASAN: slab-use-after-free in hci_le_create_big_complete_evt+0x383/0xae0 [ 69.099676][ T5321] Read of size 8 at addr ffff888011a34000 by task kworker/u5:2/5321 [ 69.102487][ T5321] [ 69.103345][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: kworker/u5:2 Tainted: G W 6.12.0-rc7-syzkaller #0 [ 69.106899][ T5321] Tainted: [W]=WARN [ 69.108252][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.111928][ T5321] Workqueue: hci0 hci_rx_work [ 69.113662][ T5321] Call Trace: [ 69.114722][ T5321] [ 69.115860][ T5321] dump_stack_lvl+0x241/0x360 [ 69.117602][ T5321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.119531][ T5321] ? __pfx__printk+0x10/0x10 [ 69.121370][ T5321] ? _printk+0xd5/0x120 [ 69.123039][ T5321] ? __virt_addr_valid+0x183/0x530 [ 69.124962][ T5321] ? __virt_addr_valid+0x183/0x530 [ 69.126754][ T5321] print_report+0x169/0x550 [ 69.128556][ T5321] ? __virt_addr_valid+0x183/0x530 [ 69.130497][ T5321] ? __virt_addr_valid+0x183/0x530 [ 69.132389][ T5321] ? __virt_addr_valid+0x45f/0x530 [ 69.134184][ T5321] ? __phys_addr+0xba/0x170 [ 69.135838][ T5321] ? hci_le_create_big_complete_evt+0x383/0xae0 [ 69.137984][ T5321] kasan_report+0x143/0x180 [ 69.139639][ T5321] ? hci_le_create_big_complete_evt+0x383/0xae0 [ 69.141858][ T5321] hci_le_create_big_complete_evt+0x383/0xae0 [ 69.144014][ T5321] ? __copy_skb_header+0x437/0x5b0 [ 69.145948][ T5321] ? hci_le_create_big_complete_evt+0xdb/0xae0 [ 69.148219][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.150706][ T5321] ? hci_le_meta_evt+0x366/0x580 [ 69.152386][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.154695][ T5321] hci_event_packet+0xa55/0x1540 [ 69.156544][ T5321] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 69.158747][ T5321] ? __pfx_hci_event_packet+0x10/0x10 [ 69.160809][ T5321] ? set_advertising_complete+0x450/0x6f0 [ 69.162941][ T5321] ? kcov_remote_start+0x97/0x7d0 [ 69.164866][ T5321] hci_rx_work+0x3fe/0xd80 [ 69.166575][ T5321] ? process_scheduled_works+0x976/0x1850 [ 69.168681][ T5321] process_scheduled_works+0xa63/0x1850 [ 69.170875][ T5321] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.173158][ T5321] ? assign_work+0x364/0x3d0 [ 69.174890][ T5321] worker_thread+0x870/0xd30 [ 69.176673][ T5321] ? __kthread_parkme+0x169/0x1d0 [ 69.178604][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.180538][ T5321] kthread+0x2f0/0x390 [ 69.182105][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.184066][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.185821][ T5321] ret_from_fork+0x4b/0x80 [ 69.187367][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.189145][ T5321] ret_from_fork_asm+0x1a/0x30 [ 69.191083][ T5321] [ 69.192303][ T5321] [ 69.193242][ T5321] Allocated by task 5321: [ 69.194887][ T5321] kasan_save_track+0x3f/0x80 [ 69.196718][ T5321] __kasan_kmalloc+0x98/0xb0 [ 69.198436][ T5321] __kmalloc_cache_noprof+0x19c/0x2c0 [ 69.200548][ T5321] __hci_conn_add+0x2f9/0x1850 [ 69.202431][ T5321] hci_le_big_sync_established_evt+0x414/0xc20 [ 69.204841][ T5321] hci_event_packet+0xa55/0x1540 [ 69.206664][ T5321] hci_rx_work+0x3fe/0xd80 [ 69.208401][ T5321] process_scheduled_works+0xa63/0x1850 [ 69.210496][ T5321] worker_thread+0x870/0xd30 [ 69.212274][ T5321] kthread+0x2f0/0x390 [ 69.213831][ T5321] ret_from_fork+0x4b/0x80 [ 69.215545][ T5321] ret_from_fork_asm+0x1a/0x30 [ 69.217318][ T5321] [ 69.218255][ T5321] Freed by task 5321: [ 69.219800][ T5321] kasan_save_track+0x3f/0x80 [ 69.221598][ T5321] kasan_save_free_info+0x40/0x50 [ 69.223547][ T5321] __kasan_slab_free+0x59/0x70 [ 69.225460][ T5321] kfree+0x1a0/0x440 [ 69.226923][ T5321] device_release+0x99/0x1c0 [ 69.228754][ T5321] kobject_put+0x22f/0x480 [ 69.230459][ T5321] hci_conn_del+0x8c4/0xc40 [ 69.232240][ T5321] hci_le_create_big_complete_evt+0x619/0xae0 [ 69.234820][ T5321] hci_event_packet+0xa55/0x1540 [ 69.237001][ T5321] hci_rx_work+0x3fe/0xd80 [ 69.238785][ T5321] process_scheduled_works+0xa63/0x1850 [ 69.240864][ T5321] worker_thread+0x870/0xd30 [ 69.242569][ T5321] kthread+0x2f0/0x390 [ 69.244062][ T5321] ret_from_fork+0x4b/0x80 [ 69.245766][ T5321] ret_from_fork_asm+0x1a/0x30 [ 69.247502][ T5321] [ 69.248434][ T5321] The buggy address belongs to the object at ffff888011a34000 [ 69.248434][ T5321] which belongs to the cache kmalloc-8k of size 8192 [ 69.253592][ T5321] The buggy address is located 0 bytes inside of [ 69.253592][ T5321] freed 8192-byte region [ffff888011a34000, ffff888011a36000) [ 69.258627][ T5321] [ 69.259579][ T5321] The buggy address belongs to the physical page: [ 69.261948][ T5321] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a30 [ 69.265236][ T5321] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 69.268397][ T5321] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 69.271423][ T5321] page_type: f5(slab) [ 69.272762][ T5321] raw: 00fff00000000040 ffff88801ac42280 0000000000000000 dead000000000001 [ 69.275831][ T5321] raw: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 [ 69.279156][ T5321] head: 00fff00000000040 ffff88801ac42280 0000000000000000 dead000000000001 [ 69.282381][ T5321] head: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 [ 69.285609][ T5321] head: 00fff00000000003 ffffea0000468c01 ffffffffffffffff 0000000000000000 [ 69.288858][ T5321] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 69.292114][ T5321] page dumped because: kasan: bad access detected [ 69.294685][ T5321] page_owner tracks the page as allocated [ 69.296837][ T5321] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd28c0(GFP_NOWAIT|__GFP_IO|__GFP_FS|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5033, tgid 5033 (dhcpcd), ts 40108965474, free_ts 40097486542 [ 69.304571][ T5321] post_alloc_hook+0x1f3/0x230 [ 69.306452][ T5321] get_page_from_freelist+0x3649/0x3790 [ 69.308624][ T5321] __alloc_pages_noprof+0x292/0x710 [ 69.310656][ T5321] alloc_pages_mpol_noprof+0x3e8/0x680 [ 69.312714][ T5321] alloc_slab_page+0x6a/0x140 [ 69.314524][ T5321] allocate_slab+0x5a/0x2f0 [ 69.316260][ T5321] ___slab_alloc+0xcd1/0x14b0 [ 69.318059][ T5321] __slab_alloc+0x58/0xa0 [ 69.319779][ T5321] __kmalloc_node_track_caller_noprof+0x281/0x440 [ 69.322245][ T5321] kmalloc_reserve+0x111/0x2a0 [ 69.324066][ T5321] __alloc_skb+0x1f3/0x440 [ 69.325755][ T5321] netlink_dump+0x1f7/0xd80 [ 69.327443][ T5321] netlink_recvmsg+0x6bb/0x11d0 [ 69.329211][ T5321] sock_recvmsg+0x22f/0x280 [ 69.330934][ T5321] ____sys_recvmsg+0x1c6/0x480 [ 69.332718][ T5321] __sys_recvmsg+0x2e6/0x3d0 [ 69.334433][ T5321] page last free pid 5121 tgid 5121 stack trace: [ 69.336820][ T5321] free_unref_page+0xcfb/0xf20 [ 69.338657][ T5321] __put_partials+0xeb/0x130 [ 69.341293][ T5321] put_cpu_partial+0x17c/0x250 [ 69.343099][ T5321] __slab_free+0x2ea/0x3d0 [ 69.344817][ T5321] qlist_free_all+0x9a/0x140 [ 69.346619][ T5321] kasan_quarantine_reduce+0x14f/0x170 [ 69.348699][ T5321] __kasan_slab_alloc+0x23/0x80 [ 69.350550][ T5321] kmem_cache_alloc_noprof+0x135/0x2a0 [ 69.352598][ T5321] vm_area_alloc+0x24/0x1d0 [ 69.354338][ T5321] mmap_region+0x113b/0x23f0 [ 69.356072][ T5321] do_mmap+0x8f0/0x1000 [ 69.357639][ T5321] vm_mmap_pgoff+0x1dd/0x3d0 [ 69.359382][ T5321] ksys_mmap_pgoff+0x4eb/0x720 [ 69.361160][ T5321] do_syscall_64+0xf3/0x230 [ 69.362868][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.365172][ T5321] [ 69.366086][ T5321] Memory state around the buggy address: [ 69.368208][ T5321] ffff888011a33f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.371036][ T5321] ffff888011a33f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.373817][ T5321] >ffff888011a34000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.376606][ T5321] ^ [ 69.378049][ T5321] ffff888011a34080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.380805][ T5321] ffff888011a34100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.383585][ T5321] ================================================================== [ 69.407973][ T5321] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 69.410756][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: kworker/u5:2 Tainted: G W 6.12.0-rc7-syzkaller #0 [ 69.414652][ T5321] Tainted: [W]=WARN [ 69.416119][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.420203][ T5321] Workqueue: hci0 hci_rx_work [ 69.422064][ T5321] Call Trace: [ 69.423403][ T5321] [ 69.424575][ T5321] dump_stack_lvl+0x241/0x360 [ 69.426398][ T5321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.428424][ T5321] ? __pfx__printk+0x10/0x10 [ 69.430167][ T5321] ? rcu_is_watching+0x15/0xb0 [ 69.432011][ T5321] ? preempt_schedule+0xe1/0xf0 [ 69.433933][ T5321] ? vscnprintf+0x5d/0x90 [ 69.435766][ T5321] panic+0x349/0x880 [ 69.437256][ T5321] ? check_panic_on_warn+0x21/0xb0 [ 69.439255][ T5321] ? __pfx_panic+0x10/0x10 [ 69.441072][ T5321] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 69.443357][ T5321] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.445734][ T5321] ? print_report+0x502/0x550 [ 69.447540][ T5321] check_panic_on_warn+0x86/0xb0 [ 69.449391][ T5321] ? hci_le_create_big_complete_evt+0x383/0xae0 [ 69.451675][ T5321] end_report+0x77/0x160 [ 69.453245][ T5321] kasan_report+0x154/0x180 [ 69.454894][ T5321] ? hci_le_create_big_complete_evt+0x383/0xae0 [ 69.457257][ T5321] hci_le_create_big_complete_evt+0x383/0xae0 [ 69.459484][ T5321] ? __copy_skb_header+0x437/0x5b0 [ 69.461250][ T5321] ? hci_le_create_big_complete_evt+0xdb/0xae0 [ 69.463602][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.466161][ T5321] ? hci_le_meta_evt+0x366/0x580 [ 69.468143][ T5321] ? __pfx_hci_le_create_big_complete_evt+0x10/0x10 [ 69.470630][ T5321] hci_event_packet+0xa55/0x1540 [ 69.472598][ T5321] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 69.474726][ T5321] ? __pfx_hci_event_packet+0x10/0x10 [ 69.476727][ T5321] ? set_advertising_complete+0x450/0x6f0 [ 69.478877][ T5321] ? kcov_remote_start+0x97/0x7d0 [ 69.480845][ T5321] hci_rx_work+0x3fe/0xd80 [ 69.482616][ T5321] ? process_scheduled_works+0x976/0x1850 [ 69.484847][ T5321] process_scheduled_works+0xa63/0x1850 [ 69.486990][ T5321] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.489361][ T5321] ? assign_work+0x364/0x3d0 [ 69.491149][ T5321] worker_thread+0x870/0xd30 [ 69.492983][ T5321] ? __kthread_parkme+0x169/0x1d0 [ 69.495027][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.497288][ T5321] kthread+0x2f0/0x390 [ 69.498855][ T5321] ? __pfx_worker_thread+0x10/0x10 [ 69.500741][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.502382][ T5321] ret_from_fork+0x4b/0x80 [ 69.504105][ T5321] ? __pfx_kthread+0x10/0x10 [ 69.505817][ T5321] ret_from_fork_asm+0x1a/0x30 [ 69.507696][ T5321] [ 69.509137][ T5321] Kernel Offset: disabled [ 69.510699][ T5321] Rebooting in 86400 seconds..