[ 46.344553] ------------[ cut here ]------------ [ 46.345538] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.347622] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.349221] Modules linked in: [ 46.349841] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.351939] Tainted: [W]=WARN [ 46.352586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.354137] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.355068] 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 [ 46.358366] RSP: 0018:ffff88800b277bc0 EFLAGS: 00010286 [ 46.359384] RAX: 0000000000000000 RBX: ffffed100164ef78 RCX: ffffffff813a4050 [ 46.360723] RDX: ffff888014698000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.362082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100164ef2f [ 46.363419] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.364802] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b277df8 [ 46.366228] FS: 00007f8d848c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.367720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.368827] CR2: 00007f8d84db3580 CR3: 000000000df0c000 CR4: 0000000000350ef0 [ 46.370213] Call Trace: [ 46.370685] [ 46.371118] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.372059] ? __create_object+0x59/0x80 [ 46.372855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.373874] __vmalloc_noprof+0x59/0x60 [ 46.374692] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.375603] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.376583] bpf_prog_alloc+0x39/0x200 [ 46.377379] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.378369] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.379312] do_seccomp+0x349/0x25e0 [ 46.380009] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.381012] ? __pfx_do_seccomp+0x10/0x10 [ 46.381856] ? find_held_lock+0x2b/0x80 [ 46.382674] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.383684] ? static_key_count+0x60/0x80 [ 46.384515] prctl_set_seccomp+0x4e/0x70 [ 46.385346] __do_sys_prctl+0xe6c/0x1d70 [ 46.386128] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.387018] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.388029] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.389049] ? irqentry_exit+0xf3/0x650 [ 46.389862] do_syscall_64+0xbf/0x430 [ 46.390629] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.391638] RIP: 0033:0x7f8d84db35cd [ 46.392378] 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 [ 46.395672] RSP: 002b:00007ffcb19b5080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.397167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d84db35cd [ 46.398531] RDX: 000055a3c2199e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.399881] RBP: 00007ffcb19b50e0 R08: 0000000000000000 R09: 00007ffcb19b4780 [ 46.401226] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a400bf62b0 [ 46.402566] R13: 00007ffcb19b5510 R14: 000055a400bf8d20 R15: 000055a400c0a8d0 [ 46.403963] [ 46.404500] irq event stamp: 1787 [ 46.405174] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 46.406860] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 46.408376] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 46.409928] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 46.411236] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.606927] ------------[ cut here ]------------ [ 49.607852] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.609892] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.611345] Modules linked in: [ 49.611936] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.614123] Tainted: [W]=WARN [ 49.614791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.616258] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.617117] 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 [ 49.620293] RSP: 0018:ffff8880170afbc0 EFLAGS: 00010286 [ 49.621242] RAX: 0000000000000000 RBX: ffffed1002e15f78 RCX: ffffffff813a4050 [ 49.622866] RDX: ffff888017950000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.624497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e15f2f [ 49.626125] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.627500] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170afdf8 [ 49.628853] FS: 00007fe9566e8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.630383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.631522] CR2: 00007ffcf5aebef8 CR3: 000000000dd79000 CR4: 0000000000350ef0 [ 49.632906] Call Trace: [ 49.633451] [ 49.633880] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.634834] ? __create_object+0x59/0x80 [ 49.635669] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.636698] __vmalloc_noprof+0x59/0x60 [ 49.637524] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.638471] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.639468] bpf_prog_alloc+0x39/0x200 [ 49.640270] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.641267] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.642253] do_seccomp+0x349/0x25e0 [ 49.642962] ? find_held_lock+0x2b/0x80 [ 49.643767] ? do_prlimit+0x310/0x610 [ 49.644556] ? __pfx_do_seccomp+0x10/0x10 [ 49.645432] ? do_raw_spin_unlock+0x53/0x220 [ 49.646329] ? _raw_spin_unlock+0x1e/0x40 [ 49.647109] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.648149] ? static_key_count+0x60/0x80 [ 49.648986] prctl_set_seccomp+0x4e/0x70 [ 49.649756] __do_sys_prctl+0xe6c/0x1d70 [ 49.650420] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.651100] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.651929] ? irqentry_exit+0xf3/0x650 [ 49.652565] do_syscall_64+0xbf/0x430 [ 49.653148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.653969] RIP: 0033:0x7fe956bda5cd [ 49.654559] 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 [ 49.657263] RSP: 002b:00007ffcf5ae9530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.658430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe956bda5cd [ 49.659518] RDX: 00005611abdd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.660607] RBP: 00007ffcf5ae9590 R08: 0000000000000000 R09: 00007ffcf5ae8c30 [ 49.661701] R10: 0000000000000000 R11: 0000000000000246 R12: 00005611cd819b10 [ 49.662802] R13: 00007ffcf5ae99c0 R14: 00005611cd81a2b0 R15: 00005611cd82e6f0 [ 49.663908] [ 49.664298] irq event stamp: 1793 [ 49.664804] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 49.666088] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 49.667382] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 49.668685] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 49.669971] ---[ end trace 0000000000000000 ]--- [ 50.630178] ------------[ cut here ]------------ [ 50.631087] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.633169] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 50.636043] Modules linked in: [ 50.636790] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.638781] Tainted: [W]=WARN [ 50.639370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.640817] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.641736] 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 [ 50.644873] RSP: 0018:ffff888019d27bc0 EFLAGS: 00010286 [ 50.645864] RAX: 0000000000000000 RBX: ffffed10033a4f78 RCX: ffffffff813a4050 [ 50.647122] RDX: ffff888017953780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.648396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033a4f2f [ 50.649690] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.650945] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d27df8 [ 50.652225] FS: 00007f334fedc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.653682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.654753] CR2: 00007fff986f0ef8 CR3: 000000000bfd6000 CR4: 0000000000350ef0 [ 50.656014] Call Trace: [ 50.656512] [ 50.656925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.657842] ? __create_object+0x59/0x80 [ 50.658627] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.659604] __vmalloc_noprof+0x59/0x60 [ 50.660373] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.661265] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.662175] bpf_prog_alloc+0x39/0x200 [ 50.662920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.663855] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.664766] do_seccomp+0x349/0x25e0 [ 50.665498] ? find_held_lock+0x2b/0x80 [ 50.666268] ? do_prlimit+0x310/0x610 [ 50.666977] ? __pfx_do_seccomp+0x10/0x10 [ 50.667764] ? do_raw_spin_unlock+0x53/0x220 [ 50.668597] ? _raw_spin_unlock+0x1e/0x40 [ 50.669397] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.670360] ? static_key_count+0x60/0x80 [ 50.671120] prctl_set_seccomp+0x4e/0x70 [ 50.671904] __do_sys_prctl+0xe6c/0x1d70 [ 50.672697] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.673564] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.674540] ? irqentry_exit+0xf3/0x650 [ 50.675307] do_syscall_64+0xbf/0x430 [ 50.676005] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.676959] RIP: 0033:0x7f33503ce5cd [ 50.677684] 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 [ 50.680890] RSP: 002b:00007fff986efcb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.682274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33503ce5cd [ 50.683549] RDX: 000055a8b4775e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.684821] RBP: 00007fff986efd10 R08: 0000000000000000 R09: 00007fff986ef3b0 [ 50.686096] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8ec61f2b0 [ 50.687376] R13: 00007fff986f0140 R14: 000055a8ec621d20 R15: 000055a8ec6338d0 [ 50.688673] [ 50.689097] irq event stamp: 2079 [ 50.689758] hardirqs last enabled at (2089): [] __up_console_sem+0x78/0x80 [ 50.691319] hardirqs last disabled at (2098): [] __up_console_sem+0x5d/0x80 [ 50.692863] softirqs last enabled at (2018): [] handle_softirqs+0x50c/0x770 [ 50.694425] softirqs last disabled at (2009): [] __irq_exit_rcu+0xc4/0x100 [ 50.695929] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17271' (ECDSA) to the list of known hosts. 2025/11/18 04:16:02 fuzzer started 2025/11/18 04:16:02 dialing manager at localhost:37895 2025/11/18 04:16:02 checking machine... 2025/11/18 04:16:02 checking revisions... [ 51.605619] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:16:02 testing simple program... [ 51.683542] cgroup: Unknown subsys name 'net' [ 51.742137] cgroup: Unknown subsys name 'cpuset' [ 51.755110] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:16:01 Registers: info registers vcpu 0 RAX=ffff888017f19bc0 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff84c97e9a RDI=fffffbfff0be2137 RBP=ffffffff85f109b8 RSP=ffff888019b97cf0 R8 =0000000000000001 R9 =0000000000000000 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffff888009462500 RIP=ffffffff81529327 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 00007fe9566e8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe956c9f618 CR3=000000001ec92000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000021f95 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055a681d3b510 CR3=000000000b73c000 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=2031303a36313a343020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a36313a3430203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000