syzkaller login: [ 38.994608] ------------[ cut here ]------------ [ 38.995513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.998109] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 38.999576] Modules linked in: [ 39.000167] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.002114] Tainted: [W]=WARN [ 39.002915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.004442] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.005307] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.008433] RSP: 0018:ffff888013a27bc0 EFLAGS: 00010286 [ 39.009346] RAX: 0000000000000000 RBX: ffffed1002744f78 RCX: ffffffff813a4050 [ 39.010626] RDX: ffff8880174b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.011870] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002744f2f [ 39.013126] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.014375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013a27df8 [ 39.015642] FS: 00007f23be76a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.017050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.018094] CR2: 00007ffc68b4bef7 CR3: 0000000009c4b000 CR4: 0000000000350ef0 [ 39.019378] Call Trace: [ 39.019830] [ 39.020241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.021132] ? __create_object+0x59/0x80 [ 39.021904] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.022847] __vmalloc_noprof+0x59/0x60 [ 39.023587] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.024455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025323] bpf_prog_alloc+0x39/0x200 [ 39.026042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.026954] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.027848] do_seccomp+0x349/0x25e0 [ 39.028584] ? find_held_lock+0x2b/0x80 [ 39.029314] ? do_prlimit+0x310/0x610 [ 39.030041] ? __pfx_do_seccomp+0x10/0x10 [ 39.030816] ? do_raw_spin_unlock+0x53/0x220 [ 39.031628] ? _raw_spin_unlock+0x1e/0x40 [ 39.032417] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.033319] ? static_key_count+0x60/0x80 [ 39.034107] prctl_set_seccomp+0x4e/0x70 [ 39.034860] __do_sys_prctl+0xe6c/0x1d70 [ 39.035615] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.036465] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.037414] ? irqentry_exit+0xf3/0x650 [ 39.038131] do_syscall_64+0xbf/0x430 [ 39.038857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.039786] RIP: 0033:0x7f23bec5c5cd [ 39.040500] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.043641] RSP: 002b:00007ffc68b49a00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23bec5c5cd [ 39.046270] RDX: 000055cdff95ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.047529] RBP: 00007ffc68b49a60 R08: 0000000000000000 R09: 00007ffc68b49100 [ 39.048816] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce3f0e2ad0 [ 39.050106] R13: 00007ffc68b49e90 R14: 000055ce3f0e3bc0 R15: 000055ce3f0f4780 [ 39.051413] [ 39.051833] irq event stamp: 1799 [ 39.052497] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.054031] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.055554] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 39.057111] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 39.058626] ---[ end trace 0000000000000000 ]--- [ 42.012216] ------------[ cut here ]------------ [ 42.013133] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.015088] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.016520] Modules linked in: [ 42.017100] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.019062] Tainted: [W]=WARN [ 42.019653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.021339] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.022304] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.025435] RSP: 0018:ffff8880161afbc0 EFLAGS: 00010286 [ 42.026423] RAX: 0000000000000000 RBX: ffffed1002c35f78 RCX: ffffffff813a4050 [ 42.027701] RDX: ffff888007229bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.028989] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c35f2f [ 42.030298] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.031594] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161afdf8 [ 42.032897] FS: 00007f0a87608900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.034346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.035448] CR2: 00007ffcdb1fbef7 CR3: 000000001ffc1000 CR4: 0000000000350ef0 [ 42.036724] Call Trace: [ 42.037251] [ 42.037851] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.039024] ? __create_object+0x59/0x80 [ 42.040049] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.041251] __vmalloc_noprof+0x59/0x60 [ 42.042049] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.042961] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.043933] bpf_prog_alloc+0x39/0x200 [ 42.044827] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.045794] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.046737] do_seccomp+0x349/0x25e0 [ 42.047469] ? find_held_lock+0x2b/0x80 [ 42.048194] ? do_prlimit+0x310/0x610 [ 42.048952] ? __pfx_do_seccomp+0x10/0x10 [ 42.049747] ? do_raw_spin_unlock+0x53/0x220 [ 42.050571] ? _raw_spin_unlock+0x1e/0x40 [ 42.051301] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.052267] ? static_key_count+0x60/0x80 [ 42.053079] prctl_set_seccomp+0x4e/0x70 [ 42.053862] __do_sys_prctl+0xe6c/0x1d70 [ 42.054635] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.055497] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.056476] ? irqentry_exit+0xf3/0x650 [ 42.057190] do_syscall_64+0xbf/0x430 [ 42.057919] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.058873] RIP: 0033:0x7f0a87afa5cd [ 42.059581] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.062856] RSP: 002b:00007ffcdb1f9400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.064257] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a87afa5cd [ 42.065510] RDX: 0000556627b03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.066600] RBP: 00007ffcdb1f9460 R08: 0000000000000000 R09: 00007ffcdb1f8b00 [ 42.067699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556630d09ad0 [ 42.068811] R13: 00007ffcdb1f9890 R14: 0000556630d0abc0 R15: 0000556630d1b780 [ 42.069936] [ 42.070289] irq event stamp: 1807 [ 42.070829] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.072097] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.073385] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 42.074664] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 42.075921] ---[ end trace 0000000000000000 ]--- [ 42.796619] ------------[ cut here ]------------ [ 42.797553] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.799517] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 42.801020] Modules linked in: [ 42.801692] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.803650] Tainted: [W]=WARN [ 42.804207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.805671] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.806577] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.809728] RSP: 0018:ffff8880176c7bc0 EFLAGS: 00010286 [ 42.810702] RAX: 0000000000000000 RBX: ffffed1002ed8f78 RCX: ffffffff813a4050 [ 42.811966] RDX: ffff888016309bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.813254] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed8f2f [ 42.814525] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.815807] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176c7df8 [ 42.817099] FS: 00007fefc914b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.818522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.819558] CR2: 00007ffd3b75eef7 CR3: 000000001d95f000 CR4: 0000000000350ef0 [ 42.820859] Call Trace: [ 42.821337] [ 42.821788] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.822684] ? __create_object+0x59/0x80 [ 42.823469] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.824447] __vmalloc_noprof+0x59/0x60 [ 42.825158] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.826029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.826941] bpf_prog_alloc+0x39/0x200 [ 42.827690] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.828630] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.829519] do_seccomp+0x349/0x25e0 [ 42.830191] ? find_held_lock+0x2b/0x80 [ 42.830946] ? do_prlimit+0x310/0x610 [ 42.831672] ? __pfx_do_seccomp+0x10/0x10 [ 42.832457] ? do_raw_spin_unlock+0x53/0x220 [ 42.833238] ? _raw_spin_unlock+0x1e/0x40 [ 42.834010] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.834965] ? static_key_count+0x60/0x80 [ 42.835757] prctl_set_seccomp+0x4e/0x70 [ 42.836540] __do_sys_prctl+0xe6c/0x1d70 [ 42.837278] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.838134] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.839104] ? irqentry_exit+0xf3/0x650 [ 42.839871] do_syscall_64+0xbf/0x430 [ 42.840634] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.841583] RIP: 0033:0x7fefc963d5cd [ 42.842235] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.845403] RSP: 002b:00007ffd3b75d170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.846762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fefc963d5cd [ 42.848046] RDX: 000055d234378e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.849349] RBP: 00007ffd3b75d1d0 R08: 0000000000000000 R09: 00007ffd3b75c870 [ 42.850649] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d26bc74ad0 [ 42.851940] R13: 00007ffd3b75d600 R14: 000055d26bc75bc0 R15: 000055d26bc86780 [ 42.853250] [ 42.853718] irq event stamp: 1735 [ 42.854334] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.855887] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.857410] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.858393] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 42.859324] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10798' (ECDSA) to the list of known hosts. 2025/11/17 19:11:24 fuzzer started 2025/11/17 19:11:25 dialing manager at localhost:37895 2025/11/17 19:11:25 checking machine... 2025/11/17 19:11:25 checking revisions... [ 43.721889] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:11:25 testing simple program... [ 43.814734] cgroup: Unknown subsys name 'net' [ 43.897087] cgroup: Unknown subsys name 'cpuset' [ 43.911726] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.493289] audit: type=1400 audit(1763406694.190:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 19:11:24 Registers: info registers vcpu 0 RAX=ffffffff8664ba84 RBX=00007f0a881a2e07 RCX=ffffffff812099a2 RDX=ffff888016041bc0 RSI=ffffffff812099b0 RDI=0000000000000007 RBP=00007f0a881a2e07 RSP=ffff88806ce08a18 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=00007f0a881a2000 R11=0000000000000003 R12=0000000000000000 R13=0000000000000000 R14=ffff888016041bc0 R15=ffff888008c4b780 RIP=ffffffff81439c42 RFL=00000246 [---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 00007f0a87608900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0a875a5008 CR3=0000000009e18000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801bd743d0 RBX=ffff88801bd74378 RCX=0000000000000002 RDX=0000000000000001 RSI=0000000000000040 RDI=ffff88801bd74378 RBP=ffffffff85994204 RSP=ffff8880199c7598 R8 =00000000ffffffff R9 =ffff88806c83db80 R10=ffff8880199c75d8 R11=0000000000000000 R12=ffffffff885b6ea0 R13=0000000000000002 R14=0000000000000001 R15=ffff888008c41780 RIP=ffffffff8152492e RFL=00000286 [--S--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 00007fa18b49a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f85c31a02c8 CR3=000000001bd91000 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=756e696c65735f687373203a726f7272 XMM02=2079746972756365732078756e694c45 XMM03=2064656c696146203a656d616e796278 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343132 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000