syzkaller login: [ 39.133592] ------------[ cut here ]------------ [ 39.134557] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.136555] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.138013] Modules linked in: [ 39.138625] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.140585] Tainted: [W]=WARN [ 39.141166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.142645] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.143564] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.146731] RSP: 0018:ffff888017d0fbc0 EFLAGS: 00010286 [ 39.147699] RAX: 0000000000000000 RBX: ffffed1002fa1f78 RCX: ffffffff813a4050 [ 39.149034] RDX: ffff88801a831bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.150324] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fa1f2f [ 39.151610] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.152872] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017d0fdf8 [ 39.154156] FS: 00007f30bf230900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.155607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.156663] CR2: 00007ffc58186ef7 CR3: 000000001bb90000 CR4: 0000000000350ef0 [ 39.157941] Call Trace: [ 39.158456] [ 39.158868] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.159762] ? __create_object+0x59/0x80 [ 39.160538] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.161501] __vmalloc_noprof+0x59/0x60 [ 39.162255] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.163149] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.164081] bpf_prog_alloc+0x39/0x200 [ 39.164774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.165691] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.166617] do_seccomp+0x349/0x25e0 [ 39.167345] ? find_held_lock+0x2b/0x80 [ 39.168098] ? do_prlimit+0x310/0x610 [ 39.168791] ? __pfx_do_seccomp+0x10/0x10 [ 39.169575] ? do_raw_spin_unlock+0x53/0x220 [ 39.170388] ? _raw_spin_unlock+0x1e/0x40 [ 39.171190] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.172154] ? static_key_count+0x60/0x80 [ 39.172899] prctl_set_seccomp+0x4e/0x70 [ 39.173674] __do_sys_prctl+0xe6c/0x1d70 [ 39.174451] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.175308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.176263] ? irqentry_exit+0xf3/0x650 [ 39.177028] do_syscall_64+0xbf/0x430 [ 39.177725] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.178674] RIP: 0033:0x7f30bf7225cd [ 39.179356] 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 [ 39.182517] RSP: 002b:00007ffc581842b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.183873] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f30bf7225cd [ 39.185154] RDX: 000055821d15be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.186425] RBP: 00007ffc58184310 R08: 0000000000000000 R09: 00007ffc581839b0 [ 39.187717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558221cd7bf0 [ 39.188996] R13: 00007ffc58184740 R14: 0000558221ce1380 R15: 0000558221cec460 [ 39.190285] [ 39.190717] irq event stamp: 1787 [ 39.191288] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.192554] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 39.193824] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 39.195116] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 39.196383] ---[ end trace 0000000000000000 ]--- [ 42.659029] ------------[ cut here ]------------ [ 42.659777] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.661446] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.662705] Modules linked in: [ 42.663236] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.664856] Tainted: [W]=WARN [ 42.665354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.666590] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.667343] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.669951] RSP: 0018:ffff888017747bc0 EFLAGS: 00010286 [ 42.670768] RAX: 0000000000000000 RBX: ffffed1002ee8f78 RCX: ffffffff813a4050 [ 42.671825] RDX: ffff88800f293780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.672879] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee8f2f [ 42.673935] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.675015] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017747df8 [ 42.676093] FS: 00007fc463c77900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.677285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.678161] CR2: 00007ffee7c33ef7 CR3: 000000001fee7000 CR4: 0000000000350ef0 [ 42.679233] Call Trace: [ 42.679620] [ 42.679957] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.680700] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 42.681487] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 42.682259] __vmalloc_noprof+0x59/0x60 [ 42.682856] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.683576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.684336] bpf_prog_alloc+0x39/0x200 [ 42.684911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.685676] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.686408] do_seccomp+0x349/0x25e0 [ 42.687015] ? find_held_lock+0x2b/0x80 [ 42.687604] ? do_prlimit+0x310/0x610 [ 42.688218] ? __pfx_do_seccomp+0x10/0x10 [ 42.688824] ? do_raw_spin_unlock+0x53/0x220 [ 42.689506] ? _raw_spin_unlock+0x1e/0x40 [ 42.690160] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.690922] ? static_key_count+0x60/0x80 [ 42.691588] prctl_set_seccomp+0x4e/0x70 [ 42.692215] __do_sys_prctl+0xe6c/0x1d70 [ 42.692820] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.693528] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.694326] ? irqentry_exit+0xf3/0x650 [ 42.694936] do_syscall_64+0xbf/0x430 [ 42.695552] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.696340] RIP: 0033:0x7fc4641695cd [ 42.696880] 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 [ 42.699492] RSP: 002b:00007ffee7c32570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.700617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4641695cd [ 42.701669] RDX: 0000559bee954e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.702738] RBP: 00007ffee7c325d0 R08: 0000000000000000 R09: 00007ffee7c31c70 [ 42.703791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bfa2dbb10 [ 42.704857] R13: 00007ffee7c32a00 R14: 0000559bfa2dc2b0 R15: 0000559bfa2f06f0 [ 42.705935] [ 42.706324] irq event stamp: 1713 [ 42.706834] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.708084] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.709333] softirqs last enabled at (1212): [] handle_softirqs+0x50c/0x770 [ 42.710621] softirqs last disabled at (1201): [] __irq_exit_rcu+0xc4/0x100 [ 42.711864] ---[ end trace 0000000000000000 ]--- [ 43.600157] ------------[ cut here ]------------ [ 43.601090] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.603113] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.604585] Modules linked in: [ 43.605220] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.607224] Tainted: [W]=WARN [ 43.607765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.609198] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.610086] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.613213] RSP: 0018:ffff888016eafbc0 EFLAGS: 00010286 [ 43.614173] RAX: 0000000000000000 RBX: ffffed1002dd5f78 RCX: ffffffff813a4050 [ 43.615463] RDX: ffff88800f295340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.616731] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd5f2f [ 43.618005] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.619291] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eafdf8 [ 43.620553] FS: 00007f4137120900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.621965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.623071] CR2: 00007f41376864a6 CR3: 000000000b81f000 CR4: 0000000000350ef0 [ 43.624327] Call Trace: [ 43.624783] [ 43.625219] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.626109] ? __create_object+0x59/0x80 [ 43.626858] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.627809] __vmalloc_noprof+0x59/0x60 [ 43.628561] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.629418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.630332] bpf_prog_alloc+0x39/0x200 [ 43.631093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.631955] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.632842] do_seccomp+0x349/0x25e0 [ 43.633545] ? find_held_lock+0x2b/0x80 [ 43.634290] ? do_prlimit+0x310/0x610 [ 43.635059] ? __pfx_do_seccomp+0x10/0x10 [ 43.635790] ? do_raw_spin_unlock+0x53/0x220 [ 43.636611] ? _raw_spin_unlock+0x1e/0x40 [ 43.637359] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.638294] ? static_key_count+0x60/0x80 [ 43.639100] prctl_set_seccomp+0x4e/0x70 [ 43.639812] __do_sys_prctl+0xe6c/0x1d70 [ 43.640576] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.641420] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.642369] ? irqentry_exit+0xf3/0x650 [ 43.643166] do_syscall_64+0xbf/0x430 [ 43.643849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.644782] RIP: 0033:0x7f41376125cd [ 43.645473] 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 [ 43.648590] RSP: 002b:00007ffc6cd2bf40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.649915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41376125cd [ 43.651216] RDX: 0000560df0831e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.652474] RBP: 00007ffc6cd2bfa0 R08: 0000000000000000 R09: 00007ffc6cd2b640 [ 43.653732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560e115e9ad0 [ 43.655034] R13: 00007ffc6cd2c3d0 R14: 0000560e115eabc0 R15: 0000560e115fb780 [ 43.656309] [ 43.656724] irq event stamp: 1753 [ 43.657363] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 43.659003] hardirqs last disabled at (1774): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 43.660678] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 43.662191] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 43.663648] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9810' (ECDSA) to the list of known hosts. 2025/11/19 05:05:47 fuzzer started 2025/11/19 05:05:48 dialing manager at localhost:34383 2025/11/19 05:05:48 checking machine... 2025/11/19 05:05:48 checking revisions... [ 44.556950] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:05:48 testing simple program... [ 44.646895] cgroup: Unknown subsys name 'net' [ 44.709321] cgroup: Unknown subsys name 'cpuset' [ 44.725678] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:05:47 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801725fc78 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801725f278 R8 =0000000000000001 R9 =ffff88801725f370 R10=000000000003c9ed R11=000000000002305a R12=ffffffff8135e7a2 R13=ffff88801725f378 R14=ffff88801725fc48 R15=ffff88801725f330 RIP=ffffffff81528efc RFL=00000247 [---Z-PC] 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 0000000000000000 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=00007fc3cf895269 CR3=0000000020441000 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=756e696c2d34365f3638782f62696c2f XMM01=2e6f732e6c736e62696c2f756e672d78 XMM02=00322e6f732e6c736e62696c2f756e67 XMM03=2d78756e696c2d34365f3638782f6269 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=0000000000000001 RBX=ffff888018661bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888018662690 RDI=ffff888018661bc0 RBP=ffff888018662618 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888018662690 R13=0000000000000003 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815273eb RFL=00000047 [---Z-PC] 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 00007fc463c77900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f36f38aa000 CR3=000000001fe60000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000