[ 54.479314] ------------[ cut here ]------------ [ 54.480249] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.482274] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 54.483722] Modules linked in: [ 54.484314] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.486264] Tainted: [W]=WARN [ 54.486883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.488352] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.489266] 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 [ 54.492401] RSP: 0018:ffff88801b1a7bc0 EFLAGS: 00010286 [ 54.493380] RAX: 0000000000000000 RBX: ffffed1003634f78 RCX: ffffffff813a4050 [ 54.494684] RDX: ffff888016863780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.495967] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003634f2f [ 54.497266] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.498541] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b1a7df8 [ 54.499841] FS: 00007f93af0aa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 54.501286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.502348] CR2: 00007fffbe886ef7 CR3: 000000000e352000 CR4: 0000000000350ef0 [ 54.503638] Call Trace: [ 54.504151] [ 54.504567] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.505464] ? __create_object+0x59/0x80 [ 54.506247] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.507243] __vmalloc_noprof+0x59/0x60 [ 54.508014] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.508902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.509841] bpf_prog_alloc+0x39/0x200 [ 54.510532] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.511469] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.512370] do_seccomp+0x349/0x25e0 [ 54.513088] ? find_held_lock+0x2b/0x80 [ 54.513858] ? do_prlimit+0x310/0x610 [ 54.514560] ? __pfx_do_seccomp+0x10/0x10 [ 54.515376] ? do_raw_spin_unlock+0x53/0x220 [ 54.516217] ? _raw_spin_unlock+0x1e/0x40 [ 54.516989] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.517963] ? static_key_count+0x60/0x80 [ 54.518792] prctl_set_seccomp+0x4e/0x70 [ 54.519539] __do_sys_prctl+0xe6c/0x1d70 [ 54.520321] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.521169] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.522147] ? irqentry_exit+0xf3/0x650 [ 54.522922] do_syscall_64+0xbf/0x430 [ 54.523617] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.524585] RIP: 0033:0x7f93af59c5cd [ 54.525290] 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 [ 54.528441] RSP: 002b:00007fffbe884850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.529793] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93af59c5cd [ 54.531098] RDX: 0000565391523e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.532370] RBP: 00007fffbe8848b0 R08: 0000000000000000 R09: 00007fffbe883f50 [ 54.533672] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653a1249bf0 [ 54.534980] R13: 00007fffbe884ce0 R14: 00005653a1253380 R15: 00005653a125e460 [ 54.536282] [ 54.536741] irq event stamp: 1739 [ 54.537346] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 54.538877] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 54.540412] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 54.541952] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 54.543490] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 57.717708] ------------[ cut here ]------------ [ 57.718569] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.720588] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 57.722064] Modules linked in: [ 57.722700] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 57.724676] Tainted: [W]=WARN [ 57.725229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.726942] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.727921] 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 [ 57.731079] RSP: 0018:ffff88800f617bc0 EFLAGS: 00010286 [ 57.732050] RAX: 0000000000000000 RBX: ffffed1001ec2f78 RCX: ffffffff813a4050 [ 57.733311] RDX: ffff888014158000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.734587] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ec2f2f [ 57.735876] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.737145] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f617df8 [ 57.738414] FS: 00007fb165035900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.739856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.740917] CR2: 00007fb165527580 CR3: 000000001f240000 CR4: 0000000000350ef0 [ 57.742194] Call Trace: [ 57.742707] [ 57.743126] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.744017] ? __create_object+0x59/0x80 [ 57.744804] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.745770] __vmalloc_noprof+0x59/0x60 [ 57.746480] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.747344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.748260] bpf_prog_alloc+0x39/0x200 [ 57.748994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.749908] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.750861] do_seccomp+0x349/0x25e0 [ 57.751761] ? __pfx_css_rstat_updated+0x10/0x10 [ 57.752871] ? __pfx_do_seccomp+0x10/0x10 [ 57.753858] ? find_held_lock+0x2b/0x80 [ 57.754708] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.755622] ? static_key_count+0x60/0x80 [ 57.756426] prctl_set_seccomp+0x4e/0x70 [ 57.757198] __do_sys_prctl+0xe6c/0x1d70 [ 57.757968] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.758824] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.759788] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.760746] ? irqentry_exit+0xf3/0x650 [ 57.761458] do_syscall_64+0xbf/0x430 [ 57.762194] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.763133] RIP: 0033:0x7fb1655275cd [ 57.763830] 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 [ 57.766982] RSP: 002b:00007ffd176883d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.768329] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1655275cd [ 57.769589] RDX: 000056539ce71e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.770887] RBP: 00007ffd17688430 R08: 0000000000000000 R09: 00007ffd17687ad0 [ 57.772150] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653a3547ad0 [ 57.773416] R13: 00007ffd17688860 R14: 00005653a3548bc0 R15: 00005653a3559780 [ 57.774715] [ 57.775135] irq event stamp: 1795 [ 57.775778] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 57.777283] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 57.778792] softirqs last enabled at (1466): [] handle_softirqs+0x50c/0x770 [ 57.780326] softirqs last disabled at (1457): [] __irq_exit_rcu+0xc4/0x100 [ 57.781816] ---[ end trace 0000000000000000 ]--- [ 58.616196] ------------[ cut here ]------------ [ 58.616960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.618736] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 58.619931] Modules linked in: [ 58.620416] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 58.622096] Tainted: [W]=WARN [ 58.622554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.623795] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.624523] 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 [ 58.627154] RSP: 0018:ffff888019817bc0 EFLAGS: 00010286 [ 58.627969] RAX: 0000000000000000 RBX: ffffed1003302f78 RCX: ffffffff813a4050 [ 58.629036] RDX: ffff88800f633780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.630094] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003302f2f [ 58.631179] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.632238] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019817df8 [ 58.633317] FS: 00007f6f75486900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 58.634517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.635418] CR2: 00007f6f75978580 CR3: 000000000da77000 CR4: 0000000000350ef0 [ 58.636497] Call Trace: [ 58.636919] [ 58.637263] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.638016] ? __create_object+0x59/0x80 [ 58.638625] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.639456] __vmalloc_noprof+0x59/0x60 [ 58.640093] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.640808] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.641537] bpf_prog_alloc+0x39/0x200 [ 58.642158] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.642938] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.643681] do_seccomp+0x349/0x25e0 [ 58.644243] ? __pfx_css_rstat_updated+0x10/0x10 [ 58.644996] ? __pfx_do_seccomp+0x10/0x10 [ 58.645620] ? find_held_lock+0x2b/0x80 [ 58.646252] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.647072] ? static_key_count+0x60/0x80 [ 58.647736] prctl_set_seccomp+0x4e/0x70 [ 58.648340] __do_sys_prctl+0xe6c/0x1d70 [ 58.648992] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.649716] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.650475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.651292] ? irqentry_exit+0xf3/0x650 [ 58.651919] do_syscall_64+0xbf/0x430 [ 58.652494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.653284] RIP: 0033:0x7f6f759785cd [ 58.653883] 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 [ 58.656527] RSP: 002b:00007ffec98ac0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.657662] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f759785cd [ 58.658745] RDX: 000055cd007f9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.659811] RBP: 00007ffec98ac110 R08: 0000000000000000 R09: 00007ffec98ab7b0 [ 58.660882] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd17cc7ad0 [ 58.661968] R13: 00007ffec98ac540 R14: 000055cd17cc8bc0 R15: 000055cd17cd9780 [ 58.663066] [ 58.663417] irq event stamp: 1681 [ 58.663957] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 58.665225] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 58.666497] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 58.667794] softirqs last disabled at (1159): [] __irq_exit_rcu+0xc4/0x100 [ 58.669056] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46168' (ECDSA) to the list of known hosts. 2025/11/17 17:11:37 fuzzer started 2025/11/17 17:11:38 dialing manager at localhost:37895 2025/11/17 17:11:38 checking machine... 2025/11/17 17:11:38 checking revisions... [ 59.696434] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:11:38 testing simple program... [ 59.794344] cgroup: Unknown subsys name 'net' [ 59.856083] cgroup: Unknown subsys name 'cpuset' [ 59.870733] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:11:37 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=ffffffff86e88812 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85c00000 RSP=ffff88806ce089a0 R8 =ffffffff86e88816 R9 =ffff88806ce08a60 R10=000000000003c9ed R11=00000000000c815f R12=ffff88806ce08a01 R13=ffff88806ce08a68 R14=ffffffff85c07e10 R15=ffff88806ce08a20 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd186496e8 CR3=000000000c16b000 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=2037333a31313a373120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a31313a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000002005 RBX=ffff888014159bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801415a618 RSP=ffff88806cf08858 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801415a668 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 RFL=00000007 [-----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 00007fb165035900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd17682000 CR3=000000001f25a000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000