Warning: Permanently added '[localhost]:7120' (ECDSA) to the list of known hosts. 2025/07/03 10:12:03 fuzzer started 2025/07/03 10:12:03 dialing manager at localhost:33709 syzkaller login: [ 51.282672] cgroup: Unknown subsys name 'net' [ 51.354708] cgroup: Unknown subsys name 'cpuset' [ 51.371475] cgroup: Unknown subsys name 'rlimit' 2025/07/03 10:12:13 syscalls: 2214 2025/07/03 10:12:13 code coverage: enabled 2025/07/03 10:12:13 comparison tracing: enabled 2025/07/03 10:12:13 extra coverage: enabled 2025/07/03 10:12:13 setuid sandbox: enabled 2025/07/03 10:12:13 namespace sandbox: enabled 2025/07/03 10:12:13 Android sandbox: enabled 2025/07/03 10:12:13 fault injection: enabled 2025/07/03 10:12:13 leak checking: enabled 2025/07/03 10:12:13 net packet injection: enabled 2025/07/03 10:12:13 net device setup: enabled 2025/07/03 10:12:13 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/07/03 10:12:13 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/07/03 10:12:13 USB emulation: enabled 2025/07/03 10:12:13 hci packet injection: enabled 2025/07/03 10:12:13 wifi device emulation: enabled 2025/07/03 10:12:13 802.15.4 emulation: enabled 2025/07/03 10:12:13 fetching corpus: 0, signal 0/2000 (executing program) 2025/07/03 10:12:14 fetching corpus: 49, signal 19892/23418 (executing program) 2025/07/03 10:12:14 fetching corpus: 99, signal 26461/31501 (executing program) 2025/07/03 10:12:14 fetching corpus: 149, signal 35741/42033 (executing program) 2025/07/03 10:12:14 fetching corpus: 199, signal 39901/47512 (executing program) 2025/07/03 10:12:14 fetching corpus: 249, signal 46994/55609 (executing program) 2025/07/03 10:12:14 fetching corpus: 299, signal 52251/61846 (executing program) 2025/07/03 10:12:14 fetching corpus: 349, signal 58005/68426 (executing program) 2025/07/03 10:12:14 fetching corpus: 399, signal 60177/71670 (executing program) 2025/07/03 10:12:14 fetching corpus: 448, signal 62926/75368 (executing program) 2025/07/03 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165180/166400 (executing program) 2025/07/03 10:12:28 fetching corpus: 9946, signal 165180/166400 (executing program) 2025/07/03 10:12:29 starting 8 fuzzer processes 10:12:29 executing program 0: keyctl$set_reqkey_keyring(0xe, 0x0) 10:12:30 executing program 1: r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000180), 0x8, 0x0) open_tree(r0, &(0x7f0000000240)='./file0\x00', 0x0) 10:12:30 executing program 3: mknodat$loop(0xffffffffffffffff, 0x0, 0x470a, 0x1) 10:12:30 executing program 2: r0 = memfd_create(&(0x7f0000001280)='\x00', 0x0) lseek(r0, 0x0, 0x2) 10:12:30 executing program 4: syz_io_uring_setup(0x4523, &(0x7f0000000280)={0x0, 0x80000000, 0x8, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100), &(0x7f0000000140)) [ 77.611232] audit: type=1400 audit(1751537550.068:7): avc: denied { execmem } for pid=272 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 10:12:30 executing program 6: clone3(&(0x7f0000000100)={0x40000700, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 10:12:30 executing program 5: perf_event_open(&(0x7f0000000340)={0x2, 0x80, 0xf0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x400, &(0x7f0000000000)=0x0) io_destroy(r0) 10:12:30 executing program 7: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f00000001c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_ADD_IFACE(r2, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000540)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 78.911014] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.917976] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.919982] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.931969] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.934209] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 78.938919] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 78.943756] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.948852] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 78.955234] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 78.962203] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 78.965929] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 78.977425] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 78.978914] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 78.980389] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 78.991477] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 78.991692] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 78.993885] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.996915] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 78.997670] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.999968] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 79.001723] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 79.004943] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 79.007499] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 79.023296] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 79.025145] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 79.026254] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 79.031429] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 79.036187] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 79.037412] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 79.038072] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 79.040489] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 79.043240] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 79.044646] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 79.048630] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 79.054540] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 79.055964] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 79.059417] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 79.066481] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 79.074341] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 79.076843] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 79.381629] [ 79.382413] ============================= [ 79.383148] WARNING: suspicious RCU usage [ 79.383971] 6.16.0-rc4-next-20250703 #1 Not tainted [ 79.386358] ----------------------------- [ 79.389401] fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage! [ 79.391586] [ 79.391586] other info that might help us debug this: [ 79.391586] [ 79.393380] [ 79.393380] rcu_scheduler_active = 2, debug_locks = 1 [ 79.395074] 3 locks held by syz-executor.7/286: [ 79.395836] #0: ffff8880070c2400 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1cd3/0x2880 [ 79.397299] #1: ffff88800bbee618 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: path_openat+0x1308/0x2880 [ 79.398893] #2: ffff8880195529a0 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xf97/0x1330 [ 79.400365] [ 79.400365] stack backtrace: [ 79.401103] CPU: 0 UID: 0 PID: 286 Comm: syz-executor.7 Not tainted 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 79.401132] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 79.401146] Call Trace: [ 79.401154] [ 79.401163] dump_stack_lvl+0xfa/0x120 [ 79.401203] lockdep_rcu_suspicious+0x152/0x1c0 [ 79.401231] proc_sys_compare+0x28a/0x340 [ 79.401253] ? __pfx_proc_sys_compare+0x10/0x10 [ 79.401278] d_same_name+0x229/0x2e0 [ 79.401316] d_alloc_parallel+0x7c1/0x1330 [ 79.401356] ? __pfx_d_alloc_parallel+0x10/0x10 [ 79.401385] ? __pfx_default_wake_function+0x10/0x10 [ 79.401419] ? __d_lookup+0x25f/0x490 [ 79.401454] lookup_open.isra.0+0x64f/0x1530 [ 79.401489] ? __pfx_lookup_open.isra.0+0x10/0x10 [ 79.401536] ? mnt_get_write_access+0x81/0x2d0 [ 79.401557] ? mnt_get_write_access+0x1ea/0x2d0 [ 79.401595] path_openat+0xc26/0x2880 [ 79.401637] ? __lock_acquire+0x694/0x1b70 [ 79.401661] ? __pfx_path_openat+0x10/0x10 [ 79.401703] do_filp_open+0x1e8/0x450 [ 79.401736] ? __pfx_do_filp_open+0x10/0x10 [ 79.401781] ? find_held_lock+0x2b/0x80 [ 79.401812] ? alloc_fd+0x2c1/0x560 [ 79.401840] ? lock_release+0xc8/0x290 [ 79.401870] ? alloc_fd+0x2c1/0x560 [ 79.401909] do_sys_openat2+0x104/0x1b0 [ 79.401935] ? __pfx_do_sys_openat2+0x10/0x10 [ 79.401963] ? __fput+0x67b/0xb50 [ 79.401994] __x64_sys_openat+0x142/0x200 [ 79.402020] ? __pfx___x64_sys_openat+0x10/0x10 [ 79.402045] ? __pfx_fput_close_sync+0x10/0x10 [ 79.402083] do_syscall_64+0xbf/0x360 [ 79.402108] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.402131] RIP: 0033:0x7fe4e5b2fa04 [ 79.402149] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 79.402171] RSP: 002b:00007ffe54954940 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 79.402192] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe4e5b2fa04 [ 79.402207] RDX: 0000000000080001 RSI: 00007fe4e5be6264 RDI: 00000000ffffff9c [ 79.402221] RBP: 00007fe4e5be6264 R08: 0000000000000000 R09: 00007ffe54954930 [ 79.402235] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080001 [ 79.402248] R13: 00007ffe549549e0 R14: 0000000000000000 R15: 00000000000000f8 [ 79.402280] [ 80.998059] Bluetooth: hci0: command tx timeout [ 81.061684] Bluetooth: hci7: command tx timeout [ 81.062605] Bluetooth: hci1: command tx timeout [ 81.125833] Bluetooth: hci2: command tx timeout [ 81.127071] Bluetooth: hci3: command tx timeout [ 81.127743] Bluetooth: hci5: command tx timeout [ 81.191023] Bluetooth: hci4: command tx timeout [ 81.191971] Bluetooth: hci6: command tx timeout [ 83.047194] Bluetooth: hci0: command tx timeout [ 83.111738] Bluetooth: hci1: command tx timeout [ 83.112216] Bluetooth: hci7: command tx timeout [ 83.173655] Bluetooth: hci3: command tx timeout [ 83.174129] Bluetooth: hci2: command tx timeout [ 83.174512] Bluetooth: hci5: command tx timeout [ 83.238753] Bluetooth: hci6: command tx timeout [ 83.238783] Bluetooth: hci4: command tx timeout [ 85.094922] Bluetooth: hci0: command tx timeout [ 85.157812] Bluetooth: hci7: command tx timeout [ 85.157982] Bluetooth: hci1: command tx timeout [ 85.222120] Bluetooth: hci5: command tx timeout [ 85.222243] Bluetooth: hci3: command tx timeout [ 85.223216] Bluetooth: hci2: command tx timeout [ 85.285918] Bluetooth: hci4: command tx timeout [ 85.286949] Bluetooth: hci6: command tx timeout [ 87.142729] Bluetooth: hci0: command tx timeout [ 87.205707] Bluetooth: hci7: command tx timeout [ 87.206144] Bluetooth: hci1: command tx timeout [ 87.269686] Bluetooth: hci3: command tx timeout [ 87.270130] Bluetooth: hci5: command tx timeout [ 87.270526] Bluetooth: hci2: command tx timeout [ 87.335311] Bluetooth: hci6: command tx timeout [ 87.336718] Bluetooth: hci4: command tx timeout VM DIAGNOSIS: 10:12:32 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff828b5535 RDI=ffffffff8871ef20 RBP=ffffffff8871eee0 RSP=ffff8880198f72b8 R8 =0000000000000000 R9 =ffffed100133a046 R10=000000000000002d R11=0000000000000001 R12=000000000000002d R13=0000000000000010 R14=ffffffff8871eee0 R15=ffffffff828b5520 RIP=ffffffff828b558d RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 000055555b77a400 00000000 00000000 GS =0000 ffff8880e55f2000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe710226c48 CR3=000000003d832000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=2e6f747079726362696c2f756e672d78 XMM02=00312e312e6f732e6f74707972636269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffffffffffff RBX=00007ffc093ea9d8 RCX=ffff88800b72784c RDX=0000000000000000 RSI=ffffffff85c1cc40 RDI=ffff888015c34158 RBP=ffffffff85c1cc40 RSP=ffff88800b727840 R8 =ffffffff867b4c2a R9 =0000000000000000 R10=000000000003baa4 R11=0000000000000003 R12=ffffffff81354012 R13=0000000000000202 R14=ffff888015c33700 R15=0000000000000001 RIP=ffffffff8151ae56 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f1dffbfa540 00000000 00000000 GS =0000 ffff8880e56f2000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f67769d2a50 CR3=000000003dec4000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=0000ffff000000000000000000000000 XMM02=ffffffffffffffff0f0e0d0c0b0a0908 XMM03=756e20796d6d756420736e6f6974706f XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=676f6c206d6f74737563000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000