Extracting prog: 1m10.083060381s
Minimizing prog: 1h13m26.441460049s
Simplifying prog options: 0s
Extracting C: 1m17.538528196s
Simplifying C: 52m16.775109341s


extracting reproducer from 42 programs
testing a last program of every proc
single: executing 12 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-setsockopt$sock_linger-connect$bt_sco-shutdown-socket$packet-sendmsg$TIPC_CMD_GET_MAX_PORTS
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$sock_linger(r4, 0x1, 0xd, &(0x7f0000000040)={0xa}, 0x8)
connect$bt_sco(r4, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r4, 0x0)
socket$packet(0x11, 0x0, 0x300)
sendmsg$TIPC_CMD_GET_MAX_PORTS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x800, 0x70bd2b, 0x25dfdbfc, {}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20000811)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-setsockopt$sock_linger-connect$bt_sco-shutdown-socket$packet
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$sock_linger(r3, 0x1, 0xd, &(0x7f0000000040)={0xa}, 0x8)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r3, 0x0)
socket$packet(0x11, 0x0, 0x300)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-setsockopt$sock_linger-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$sock_linger(r3, 0x1, 0xd, &(0x7f0000000040)={0xa}, 0x8)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r3, 0x0)

program crashed: WARNING in hci_conn_timeout
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-setsockopt$sock_linger-connect$bt_sco
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$sock_linger(r3, 0x1, 0xd, &(0x7f0000000040)={0xa}, 0x8)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-setsockopt$sock_linger-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
setsockopt$sock_linger(r3, 0x1, 0xd, &(0x7f0000000040)={0xa}, 0x8)
shutdown(r3, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r3, 0x0)

program crashed: KASAN: slab-use-after-free Read in sco_conn_hold_unless_zero
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_genetlink_get_family_id$tipc-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff)
connect$bt_sco(0xffffffffffffffff, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-setsockopt$inet_group_source_req-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000580)={0x2, {{0x2, 0x4e21, @multicast1}}, {{0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, 0x108)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r3, 0x0)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
r2 = accept4(r0, 0x0, 0x0, 0x0)
sendmmsg$inet_sctp(r2, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r3, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r3, 0x0)

program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-accept4-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
accept4(r0, 0x0, 0x0, 0x0)
r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r2, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-ioctl$KVM_CHECK_EXTENSION-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0xc)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r2, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r2, 0x0)

program crashed: WARNING in hci_conn_timeout
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-openat$kvm-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
openat$kvm(0xffffffffffffff9c, &(0x7f0000001740), 0x0, 0x0)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r1, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r1, 0x0)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-bind$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000003880)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-ssse3\x00'}, 0x58)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r1, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r1, 0x0)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
socket$alg(0x26, 0x5, 0x0)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r0, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r0, 0x0)

program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x5, 0xb, &(0x7f00000007c0)=ANY=[@ANYBLOB="18000000ffffff7f0000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000fffdffffb702000008000000b70300000000000085000000d200000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @void, @value}, 0x94)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r0, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
socket$alg(0x26, 0x5, 0x0)
sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000780)=[{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000280)="25acc7fe0aaa6cbfc6b0da6998cf0344b861acea0e82bb779196f56dfb35984ef00cb39c88d00b4375e1b964ab88c21a7a69ee051d2e7c64692cd1e9d63fcacf9994ca2ab6d025979e1e902069e2d9da142359a22d8a903abf2ac849cd1875b8ad86c0c2fc6d0cd3846815661511e6bdff789b74f28785ed1592098ea57b0e11d41962cbc638fe5e3f52b71504912dda0756e4678c2e3bd290da15cc8fdc5c5f0f264760167c016ec3c67b33e9cbc6e323ab44f2160ff6bc924d72497842af78ef2d13cb3e085e66143b69cc1f216103030b70fef8759d82f9c01bc147c25da6ce9ce5c8db5796ef02c6", 0xea}, {&(0x7f0000000200)="76d37aa03d781582c3704df94b91116e2bddae9aae3c61a78150bf9e6adc5beb64132485ad33ff89724e7abc433ace16138bc110cfacb21dc2fab6e802c193a9197b7ceb427cc767ddf2b2c850c1e13b23f0fd62d7a6", 0x56}], 0x2}], 0x1, 0x0)
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r0, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r0, 0x0)

program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
socket$alg(0x26, 0x5, 0x0)
sendmmsg$inet_sctp(0xffffffffffffffff, 0x0, 0x0, 0x0)
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r0, &(0x7f0000000000)={0x1f, @none}, 0x8)
shutdown(r0, 0x0)

program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
detailed listing:
executing program 0:
socket$alg(0x26, 0x5, 0x0)
sendmmsg$inet_sctp(0xffffffffffffffff, 0x0, 0x0, 0x0)
r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
connect$bt_sco(r0, 0x0, 0x0)
shutdown(r0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in sco_sock_connect
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$alg-sendmmsg$inet_sctp-syz_init_net_socket$bt_sco-connect$bt_sco-shutdown
program crashed: KASAN: slab-use-after-free Read in __timer_delete
reproducing took 2h8m10.83817951s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in timer_is_static_object+0x35/0x80 kernel/time/timer.c:733
Read of size 8 at addr ffff888027af7ea0 by task syz-executor215/15489

CPU: 1 UID: 0 PID: 15489 Comm: syz-executor215 Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:489
 kasan_report+0x143/0x180 mm/kasan/report.c:602
 timer_is_static_object+0x35/0x80 kernel/time/timer.c:733
 lookup_object_or_alloc lib/debugobjects.c:679 [inline]
 debug_object_assert_init+0x236/0x4b0 lib/debugobjects.c:1008
 debug_timer_assert_init kernel/time/timer.c:845 [inline]
 debug_assert_init kernel/time/timer.c:890 [inline]
 __timer_delete+0xad/0x380 kernel/time/timer.c:1412
 del_timer include/linux/timer.h:202 [inline]
 try_to_grab_pending kernel/workqueue.c:2064 [inline]
 work_grab_pending+0x157/0xae0 kernel/workqueue.c:2157
 __cancel_work+0xbb/0x390 kernel/workqueue.c:4322
 sco_sock_clear_timer net/bluetooth/sco.c:180 [inline]
 sco_sock_shutdown+0x155/0x3f0 net/bluetooth/sco.c:1273
 __sys_shutdown_sock net/socket.c:2423 [inline]
 __sys_shutdown net/socket.c:2439 [inline]
 __do_sys_shutdown net/socket.c:2444 [inline]
 __se_sys_shutdown net/socket.c:2442 [inline]
 __x64_sys_shutdown+0x13f/0x1a0 net/socket.c:2442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8530977559
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f853010d208 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00007f8530a07198 RCX: 00007f8530977559
RDX: 00007f8530952796 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f8530a07190 R08: 00007ffd066c2117 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85309ce2c0
R13: 00007f8530a0719c R14: 00007ffd066c2030 R15: 00007ffd066c2118
 </TASK>

Allocated by task 15453:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 sco_conn_add+0xa7/0x360 net/bluetooth/sco.c:199
 sco_connect net/bluetooth/sco.c:336 [inline]
 sco_sock_connect+0x323/0x990 net/bluetooth/sco.c:645
 __sys_connect_file net/socket.c:2055 [inline]
 __sys_connect+0x288/0x2d0 net/socket.c:2074
 __do_sys_connect net/socket.c:2080 [inline]
 __se_sys_connect net/socket.c:2077 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2077
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 15473:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2338 [inline]
 slab_free mm/slub.c:4598 [inline]
 kfree+0x196/0x420 mm/slub.c:4746
 sco_chan_del+0xa3/0x180 net/bluetooth/sco.c:236
 sco_sock_shutdown+0x164/0x3f0 net/bluetooth/sco.c:1274
 __sys_shutdown_sock net/socket.c:2423 [inline]
 __sys_shutdown net/socket.c:2439 [inline]
 __do_sys_shutdown net/socket.c:2444 [inline]
 __se_sys_shutdown net/socket.c:2442 [inline]
 __x64_sys_shutdown+0x13f/0x1a0 net/socket.c:2442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888027af7e00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 160 bytes inside of
 freed 256-byte region [ffff888027af7e00, ffff888027af7f00)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x27af6
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac41b40 ffffea0000c24d80 dead000000000006
raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac41b40 ffffea0000c24d80 dead000000000006
head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 00fff00000000001 ffffea00009ebd81 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 7753338606, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556
 prep_new_page mm/page_alloc.c:1564 [inline]
 get_page_from_freelist+0x363e/0x3790 mm/page_alloc.c:3474
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 alloc_slab_page+0x6a/0x140 mm/slub.c:2408
 allocate_slab+0x5a/0x2f0 mm/slub.c:2574
 new_slab mm/slub.c:2627 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815
 __slab_alloc+0x58/0xa0 mm/slub.c:3905
 __slab_alloc_node mm/slub.c:3980 [inline]
 slab_alloc_node mm/slub.c:4141 [inline]
 __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4309
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 bus_add_driver+0x163/0x670 drivers/base/bus.c:659
 driver_register+0x23a/0x320 drivers/base/driver.c:246
 do_one_initcall+0x248/0x880 init/main.c:1266
 do_initcall_level+0x157/0x210 init/main.c:1328
 do_initcalls+0x3f/0x80 init/main.c:1344
 kernel_init_freeable+0x435/0x5d0 init/main.c:1577
 kernel_init+0x1d/0x2b0 init/main.c:1466
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888027af7d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888027af7e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888027af7e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                               ^
 ffff888027af7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888027af7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in timer_is_static_object+0x35/0x80 kernel/time/timer.c:733
Read of size 8 at addr ffff888027af7ea0 by task syz-executor215/15489

CPU: 1 UID: 0 PID: 15489 Comm: syz-executor215 Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:489
 kasan_report+0x143/0x180 mm/kasan/report.c:602
 timer_is_static_object+0x35/0x80 kernel/time/timer.c:733
 lookup_object_or_alloc lib/debugobjects.c:679 [inline]
 debug_object_assert_init+0x236/0x4b0 lib/debugobjects.c:1008
 debug_timer_assert_init kernel/time/timer.c:845 [inline]
 debug_assert_init kernel/time/timer.c:890 [inline]
 __timer_delete+0xad/0x380 kernel/time/timer.c:1412
 del_timer include/linux/timer.h:202 [inline]
 try_to_grab_pending kernel/workqueue.c:2064 [inline]
 work_grab_pending+0x157/0xae0 kernel/workqueue.c:2157
 __cancel_work+0xbb/0x390 kernel/workqueue.c:4322
 sco_sock_clear_timer net/bluetooth/sco.c:180 [inline]
 sco_sock_shutdown+0x155/0x3f0 net/bluetooth/sco.c:1273
 __sys_shutdown_sock net/socket.c:2423 [inline]
 __sys_shutdown net/socket.c:2439 [inline]
 __do_sys_shutdown net/socket.c:2444 [inline]
 __se_sys_shutdown net/socket.c:2442 [inline]
 __x64_sys_shutdown+0x13f/0x1a0 net/socket.c:2442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8530977559
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f853010d208 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00007f8530a07198 RCX: 00007f8530977559
RDX: 00007f8530952796 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f8530a07190 R08: 00007ffd066c2117 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85309ce2c0
R13: 00007f8530a0719c R14: 00007ffd066c2030 R15: 00007ffd066c2118
 </TASK>

Allocated by task 15453:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 sco_conn_add+0xa7/0x360 net/bluetooth/sco.c:199
 sco_connect net/bluetooth/sco.c:336 [inline]
 sco_sock_connect+0x323/0x990 net/bluetooth/sco.c:645
 __sys_connect_file net/socket.c:2055 [inline]
 __sys_connect+0x288/0x2d0 net/socket.c:2074
 __do_sys_connect net/socket.c:2080 [inline]
 __se_sys_connect net/socket.c:2077 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2077
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 15473:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2338 [inline]
 slab_free mm/slub.c:4598 [inline]
 kfree+0x196/0x420 mm/slub.c:4746
 sco_chan_del+0xa3/0x180 net/bluetooth/sco.c:236
 sco_sock_shutdown+0x164/0x3f0 net/bluetooth/sco.c:1274
 __sys_shutdown_sock net/socket.c:2423 [inline]
 __sys_shutdown net/socket.c:2439 [inline]
 __do_sys_shutdown net/socket.c:2444 [inline]
 __se_sys_shutdown net/socket.c:2442 [inline]
 __x64_sys_shutdown+0x13f/0x1a0 net/socket.c:2442
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888027af7e00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 160 bytes inside of
 freed 256-byte region [ffff888027af7e00, ffff888027af7f00)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x27af6
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac41b40 ffffea0000c24d80 dead000000000006
raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac41b40 ffffea0000c24d80 dead000000000006
head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
head: 00fff00000000001 ffffea00009ebd81 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 7753338606, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556
 prep_new_page mm/page_alloc.c:1564 [inline]
 get_page_from_freelist+0x363e/0x3790 mm/page_alloc.c:3474
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 alloc_slab_page+0x6a/0x140 mm/slub.c:2408
 allocate_slab+0x5a/0x2f0 mm/slub.c:2574
 new_slab mm/slub.c:2627 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815
 __slab_alloc+0x58/0xa0 mm/slub.c:3905
 __slab_alloc_node mm/slub.c:3980 [inline]
 slab_alloc_node mm/slub.c:4141 [inline]
 __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4309
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 bus_add_driver+0x163/0x670 drivers/base/bus.c:659
 driver_register+0x23a/0x320 drivers/base/driver.c:246
 do_one_initcall+0x248/0x880 init/main.c:1266
 do_initcall_level+0x157/0x210 init/main.c:1328
 do_initcalls+0x3f/0x80 init/main.c:1344
 kernel_init_freeable+0x435/0x5d0 init/main.c:1577
 kernel_init+0x1d/0x2b0 init/main.c:1466
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888027af7d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888027af7e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888027af7e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                               ^
 ffff888027af7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888027af7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================