Bluetooth: RFCOMM socket layer initialized Bluetooth: RFCOMM ver 1.11 Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Bluetooth: BNEP filters: protocol multicast Bluetooth: BNEP socket layer initialized Bluetooth: CMTP (CAPI Emulation) ver 1.0 Bluetooth: CMTP socket layer initialized Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Bluetooth: HIDP socket layer initialized NET: Registered PF_RXRPC protocol family Key type rxrpc registered Key type rxrpc_s registered NET: Registered PF_KCM protocol family lec:lane_module_init: lec.c: initialized mpoa:atm_mpoa_init: mpc.c: initialized l2tp_core: L2TP core driver, V2.0 l2tp_ppp: PPPoL2TP kernel driver, V2.0 l2tp_ip: L2TP IP encapsulation support (L2TPv3) l2tp_netlink: L2TP netlink interface l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) NET: Registered PF_PHONET protocol family 8021q: 802.1Q VLAN Support v1.8 DCCP: Activated CCID 2 (TCP-like) DCCP: Activated CCID 3 (TCP-Friendly Rate Control) sctp: Hash tables configured (bind 32/56) NET: Registered PF_RDS protocol family Registered RDS/infiniband transport Registered RDS/tcp transport tipc: Activated (version 2.0.0) NET: Registered PF_TIPC protocol family tipc: Started in single node mode NET: Registered PF_SMC protocol family 9pnet: Installing 9P2000 support NET: Registered PF_CAIF protocol family NET: Registered PF_IEEE802154 protocol family Key type dns_resolver registered Key type ceph registered libceph: loaded (mon/osd proto 15/24) batman_adv: B.A.T.M.A.N. advanced 2021.2 (compatibility version 15) loaded openvswitch: Open vSwitch switching datapath NET: Registered PF_VSOCK protocol family mpls_gso: MPLS GSO support IPI shorthand broadcast: enabled AVX2 version of gcm_enc/dec engaged. AES CTR mode by8 optimization enabled sched_clock: Marking stable (10402484507, 29116802)->(10432865746, -1264437) registered taskstats version 1 Loading compiled-in X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' BUG: sleeping function called from invalid context at mm/page_alloc.c:5178 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0 4 locks held by swapper/0/1: #0: ffffffff8b829810 (cpu_hotplug_lock){++++}-{0:0}, at: cpuhp_state_add_instance include/linux/cpuhotplug.h:315 [inline] #0: ffffffff8b829810 (cpu_hotplug_lock){++++}-{0:0}, at: zswap_pool_create+0x25c/0x620 mm/zswap.c:625 #1: ffffffff8b82bd08 (cpuhp_state_mutex){+.+.}-{3:3}, at: __cpuhp_state_add_instance_cpuslocked+0x8b/0x3f0 kernel/cpu.c:1933 #2: ffffffff8c15bba8 (scomp_lock){+.+.}-{3:3}, at: crypto_scomp_init_tfm+0x1d/0x1d0 crypto/scompress.c:112 #3: ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 mm/page_alloc.c:5290 irq event stamp: 1234150 hardirqs last enabled at (1234149): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (1234149): [] _raw_spin_unlock_irqrestore+0x50/0x70 kernel/locking/spinlock.c:191 hardirqs last disabled at (1234150): [] __alloc_pages_bulk+0x1017/0x1870 mm/page_alloc.c:5290 softirqs last enabled at (1233792): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (1233792): [] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 softirqs last disabled at (1233675): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (1233675): [] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9153 prepare_alloc_pages+0x3da/0x580 mm/page_alloc.c:5178 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5374 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2119 alloc_pages+0x238/0x2a0 mm/mempolicy.c:2242 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2444 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5312 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 __vmalloc_node mm/vmalloc.c:3015 [inline] vmalloc_node+0x6b/0x90 mm/vmalloc.c:3123 crypto_scomp_alloc_scratches crypto/scompress.c:97 [inline] crypto_scomp_init_tfm+0xb3/0x1d0 crypto/scompress.c:114 crypto_create_tfm_node+0x10d/0x320 crypto/api.c:457 crypto_create_tfm crypto/internal.h:87 [inline] crypto_init_scomp_ops_async+0x59/0x1d0 crypto/scompress.c:196 crypto_acomp_init_tfm+0x238/0x2d0 crypto/acompress.c:66 crypto_create_tfm_node+0x10d/0x320 crypto/api.c:457 crypto_alloc_tfm_node+0x107/0x260 crypto/api.c:533 zswap_cpu_comp_prepare+0x8d/0x380 mm/zswap.c:452 cpuhp_invoke_callback+0x257/0x9a0 kernel/cpu.c:190 cpuhp_issue_call+0x1c9/0x900 kernel/cpu.c:1887 __cpuhp_state_add_instance_cpuslocked+0x1e6/0x3f0 kernel/cpu.c:1949 __cpuhp_state_add_instance+0xd5/0x2a0 kernel/cpu.c:1970 cpuhp_state_add_instance include/linux/cpuhotplug.h:315 [inline] zswap_pool_create+0x25c/0x620 mm/zswap.c:625 __zswap_pool_create_fallback mm/zswap.c:690 [inline] init_zswap+0x2d5/0x618 mm/zswap.c:1463 do_one_initcall+0x103/0x650 init/main.c:1280 do_initcall_level init/main.c:1353 [inline] do_initcalls init/main.c:1369 [inline] do_basic_setup init/main.c:1389 [inline] kernel_init_freeable+0x6b8/0x741 init/main.c:1591 kernel_init+0x1a/0x1d0 init/main.c:1483 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ============================================ WARNING: possible recursive locking detected 5.13.0-syzkaller #0 Tainted: G W -------------------------------------------- swapper/0/1 is trying to acquire lock: ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: rmqueue_pcplist mm/page_alloc.c:3674 [inline] ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: rmqueue mm/page_alloc.c:3712 [inline] ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: get_page_from_freelist+0x486/0x2f80 mm/page_alloc.c:4174 but task is already holding lock: ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 mm/page_alloc.c:5290 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(lock#2); lock(lock#2); *** DEADLOCK *** May be due to missing lock nesting notation 4 locks held by swapper/0/1: #0: ffffffff8b829810 (cpu_hotplug_lock){++++}-{0:0}, at: cpuhp_state_add_instance include/linux/cpuhotplug.h:315 [inline] #0: ffffffff8b829810 (cpu_hotplug_lock){++++}-{0:0}, at: zswap_pool_create+0x25c/0x620 mm/zswap.c:625 #1: ffffffff8b82bd08 (cpuhp_state_mutex){+.+.}-{3:3}, at: __cpuhp_state_add_instance_cpuslocked+0x8b/0x3f0 kernel/cpu.c:1933 #2: ffffffff8c15bba8 (scomp_lock){+.+.}-{3:3}, at: crypto_scomp_init_tfm+0x1d/0x1d0 crypto/scompress.c:112 #3: ffff8880b9c4d660 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 mm/page_alloc.c:5290 stack backtrace: CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96 print_deadlock_bug kernel/locking/lockdep.c:2944 [inline] check_deadlock kernel/locking/lockdep.c:2987 [inline] validate_chain kernel/locking/lockdep.c:3776 [inline] __lock_acquire.cold+0x149/0x3ab kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 local_lock_acquire include/linux/local_lock_internal.h:42 [inline] rmqueue_pcplist mm/page_alloc.c:3674 [inline] rmqueue mm/page_alloc.c:3712 [inline] get_page_from_freelist+0x4aa/0x2f80 mm/page_alloc.c:4174 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5385 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2119 alloc_pages+0x238/0x2a0 mm/mempolicy.c:2242 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2444 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5312 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 __vmalloc_node mm/vmalloc.c:3015 [inline] vmalloc_node+0x6b/0x90 mm/vmalloc.c:3123 crypto_scomp_alloc_scratches crypto/scompress.c:97 [inline] crypto_scomp_init_tfm+0xb3/0x1d0 crypto/scompress.c:114 crypto_create_tfm_node+0x10d/0x320 crypto/api.c:457 crypto_create_tfm crypto/internal.h:87 [inline] crypto_init_scomp_ops_async+0x59/0x1d0 crypto/scompress.c:196 crypto_acomp_init_tfm+0x238/0x2d0 crypto/acompress.c:66 crypto_create_tfm_node+0x10d/0x320 crypto/api.c:457 crypto_alloc_tfm_node+0x107/0x260 crypto/api.c:533 zswap_cpu_comp_prepare+0x8d/0x380 mm/zswap.c:452 cpuhp_invoke_callback+0x257/0x9a0 kernel/cpu.c:190 cpuhp_issue_call+0x1c9/0x900 kernel/cpu.c:1887 __cpuhp_state_add_instance_cpuslocked+0x1e6/0x3f0 kernel/cpu.c:1949 __cpuhp_state_add_instance+0xd5/0x2a0 kernel/cpu.c:1970 cpuhp_state_add_instance include/linux/cpuhotplug.h:315 [inline] zswap_pool_create+0x25c/0x620 mm/zswap.c:625 __zswap_pool_create_fallback mm/zswap.c:690 [inline] init_zswap+0x2d5/0x618 mm/zswap.c:1463 do_one_initcall+0x103/0x650 init/main.c:1280 do_initcall_level init/main.c:1353 [inline] do_initcalls init/main.c:1369 [inline] do_basic_setup init/main.c:1389 [inline] kernel_init_freeable+0x6b8/0x741 init/main.c:1591 kernel_init+0x1a/0x1d0 init/main.c:1483 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 zswap: loaded using pool lzo/zbud debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers Key type ._fscrypt registered Key type .fscrypt registered Key type fscrypt-provisioning registered kAFS: Red Hat AFS client v0.1 registering. FS-Cache: Netfs 'afs' registered for caching Btrfs loaded, crc32c=crc32c-intel, assert=on, zoned=yes Key type big_key registered Key type encrypted registered AppArmor: AppArmor sha1 policy hashing enabled ima: No TPM chip found, activating TPM-bypass! Loading compiled-in module X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' ima: Allocated hash algorithm: sha256 ima: No architecture policies found evm: Initialising EVM extended attributes: evm: security.selinux (disabled) evm: security.SMACK64 (disabled) evm: security.SMACK64EXEC (disabled) evm: security.SMACK64TRANSMUTE (disabled) evm: security.SMACK64MMAP (disabled) evm: security.apparmor evm: security.ima evm: security.capability evm: HMAC attrs: 0x1 PM: Magic number: 13:192:293 usb usb33-port7: hash matches usb usb32-port8: hash matches usb usb29: hash matches tty ttyz7: hash matches tty ttywa: hash matches tty tty26: hash matches printk: console [netcon0] enabled netconsole: network logging started gtp: GTP module loaded (pdp ctx size 104 bytes) rdma_rxe: loaded cfg80211: Loading compiled-in X.509 certificates for regulatory database cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' ALSA device list: #0: Dummy 1 #1: Loopback 1 #2: Virtual MIDI Card 1 md: Waiting for all devices to be available before autodetect md: If you don't use raid, use raid=noautodetect md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 Please append a correct "root=" boot option; here are the available partitions: 0100 4096 ram0 (driver?) 0101 4096 ram1 (driver?) 0102 4096 ram2 (driver?) 0103 4096 ram3 (driver?) 0104 4096 ram4 (driver?) 0105 4096 ram5 (driver?) 0106 4096 ram6 (driver?) 0107 4096 ram7 (driver?) 0108 4096 ram8 (driver?) 0109 4096 ram9 (driver?) 010a 4096 ram10 (driver?) 010b 4096 ram11 (driver?) 010c 4096 ram12 (driver?) 010d 4096 ram13 (driver?) 010e 4096 ram14 (driver?) 010f 4096 ram15 (driver?) 1f00 128 mtdblock0 (driver?)