[ 39.041924] ------------[ cut here ]------------ [ 39.042850] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.044869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.046315] Modules linked in: [ 39.046945] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.048941] Tainted: [W]=WARN [ 39.049497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.050972] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.051888] 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 [ 39.055035] RSP: 0018:ffff888019267bc0 EFLAGS: 00010286 [ 39.056012] RAX: 0000000000000000 RBX: ffffed100324cf78 RCX: ffffffff813a4050 [ 39.057333] RDX: ffff888019359bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.058612] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100324cf2f [ 39.059888] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.061167] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019267df8 [ 39.062450] FS: 00007f1e787d9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.063880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.064957] CR2: 00007f1e78d3f4a6 CR3: 000000000d1ee000 CR4: 0000000000350ef0 [ 39.066226] Call Trace: [ 39.066734] [ 39.067147] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.068045] ? __create_object+0x59/0x80 [ 39.068839] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.069813] __vmalloc_noprof+0x59/0x60 [ 39.070523] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.071395] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.072318] bpf_prog_alloc+0x39/0x200 [ 39.073067] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.074003] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.074903] do_seccomp+0x349/0x25e0 [ 39.075591] ? find_held_lock+0x2b/0x80 [ 39.076344] ? do_prlimit+0x310/0x610 [ 39.077083] ? __pfx_do_seccomp+0x10/0x10 [ 39.077857] ? do_raw_spin_unlock+0x53/0x220 [ 39.078648] ? _raw_spin_unlock+0x1e/0x40 [ 39.079433] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.080406] ? static_key_count+0x60/0x80 [ 39.081195] prctl_set_seccomp+0x4e/0x70 [ 39.081968] __do_sys_prctl+0xe6c/0x1d70 [ 39.082760] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.083563] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.084537] ? irqentry_exit+0xf3/0x650 [ 39.085295] do_syscall_64+0xbf/0x430 [ 39.086043] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.086994] RIP: 0033:0x7f1e78ccb5cd [ 39.087654] 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 [ 39.090839] RSP: 002b:00007fffcee490e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.092216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e78ccb5cd [ 39.093509] RDX: 0000561e667c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.094775] RBP: 00007fffcee49140 R08: 0000000000000000 R09: 00007fffcee487e0 [ 39.096038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e9a7a4240 [ 39.097306] R13: 00007fffcee49570 R14: 0000561e9a7a3bf0 R15: 0000561e9a7b84d0 [ 39.098626] [ 39.099100] irq event stamp: 1797 [ 39.099739] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 39.101257] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.102774] softirqs last enabled at (1540): [] handle_softirqs+0x50c/0x770 [ 39.104313] softirqs last disabled at (1535): [] __irq_exit_rcu+0xc4/0x100 [ 39.105833] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.612175] ------------[ cut here ]------------ [ 42.612970] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.614657] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.615966] Modules linked in: [ 42.616484] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.618159] Tainted: [W]=WARN [ 42.618627] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.619873] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.620623] 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 [ 42.623522] RSP: 0018:ffff88801615fbc0 EFLAGS: 00010286 [ 42.624416] RAX: 0000000000000000 RBX: ffffed1002c2bf78 RCX: ffffffff813a4050 [ 42.625520] RDX: ffff8880172f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.626613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2bf2f [ 42.627713] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.628834] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801615fdf8 [ 42.629938] FS: 00007fd41edc0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.631165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.632064] CR2: 00007fff348bbef7 CR3: 000000000a0f3000 CR4: 0000000000350ef0 [ 42.633159] Call Trace: [ 42.633551] [ 42.633935] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.634655] ? __create_object+0x59/0x80 [ 42.635331] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.636146] __vmalloc_noprof+0x59/0x60 [ 42.636779] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.637459] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.638237] bpf_prog_alloc+0x39/0x200 [ 42.638847] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.639570] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.640310] do_seccomp+0x349/0x25e0 [ 42.640920] ? find_held_lock+0x2b/0x80 [ 42.641519] ? do_prlimit+0x310/0x610 [ 42.642135] ? __pfx_do_seccomp+0x10/0x10 [ 42.642780] ? do_raw_spin_unlock+0x53/0x220 [ 42.643426] ? _raw_spin_unlock+0x1e/0x40 [ 42.644065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.644861] ? static_key_count+0x60/0x80 [ 42.645507] prctl_set_seccomp+0x4e/0x70 [ 42.646190] __do_sys_prctl+0xe6c/0x1d70 [ 42.646839] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.647513] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.648309] ? irqentry_exit+0xf3/0x650 [ 42.648959] do_syscall_64+0xbf/0x430 [ 42.649540] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.650319] RIP: 0033:0x7fd41f2b25cd [ 42.650905] 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 [ 42.653516] RSP: 002b:00007fff348b9cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.654655] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd41f2b25cd [ 42.655777] RDX: 00005628c94afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.656853] RBP: 00007fff348b9d50 R08: 0000000000000000 R09: 00007fff348b93f0 [ 42.657913] R10: 0000000000000000 R11: 0000000000000246 R12: 00005628df9e6ad0 [ 42.658966] R13: 00007fff348ba180 R14: 00005628df9e7bc0 R15: 00005628df9f8780 [ 42.660043] [ 42.660398] irq event stamp: 1939 [ 42.660938] hardirqs last enabled at (1949): [] __up_console_sem+0x78/0x80 [ 42.662205] hardirqs last disabled at (1958): [] __up_console_sem+0x5d/0x80 [ 42.663471] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 42.664751] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 42.666017] ---[ end trace 0000000000000000 ]--- [ 43.477525] ------------[ cut here ]------------ [ 43.478305] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.479980] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.481269] Modules linked in: [ 43.481806] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.483458] Tainted: [W]=WARN [ 43.483965] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.485206] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.485973] 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 [ 43.488642] RSP: 0018:ffff8880137efbc0 EFLAGS: 00010286 [ 43.489460] RAX: 0000000000000000 RBX: ffffed10026fdf78 RCX: ffffffff813a4050 [ 43.490536] RDX: ffff888017845340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.491612] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10026fdf2f [ 43.492706] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.493779] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880137efdf8 [ 43.494855] FS: 00007f0e36c2c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.496055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.496957] CR2: 00007ffd00252ef7 CR3: 000000000de70000 CR4: 0000000000350ef0 [ 43.498030] Call Trace: [ 43.498413] [ 43.498790] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.499494] ? __create_object+0x59/0x80 [ 43.500137] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.500998] __vmalloc_noprof+0x59/0x60 [ 43.501596] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.502320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.503103] bpf_prog_alloc+0x39/0x200 [ 43.503672] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.504449] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.505201] do_seccomp+0x349/0x25e0 [ 43.505794] ? find_held_lock+0x2b/0x80 [ 43.506388] ? do_prlimit+0x310/0x610 [ 43.506998] ? __pfx_do_seccomp+0x10/0x10 [ 43.507604] ? do_raw_spin_unlock+0x53/0x220 [ 43.508287] ? _raw_spin_unlock+0x1e/0x40 [ 43.508947] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.509744] ? static_key_count+0x60/0x80 [ 43.510365] prctl_set_seccomp+0x4e/0x70 [ 43.511007] __do_sys_prctl+0xe6c/0x1d70 [ 43.511616] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.512320] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.513132] ? irqentry_exit+0xf3/0x650 [ 43.513762] do_syscall_64+0xbf/0x430 [ 43.514329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.515107] RIP: 0033:0x7f0e3711e5cd [ 43.515651] 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 [ 43.518308] RSP: 002b:00007ffd00251ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.519438] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e3711e5cd [ 43.520506] RDX: 000055e16cbaae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.521571] RBP: 00007ffd00251b40 R08: 0000000000000000 R09: 00007ffd002511e0 [ 43.522643] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e19ef56240 [ 43.523718] R13: 00007ffd00251f70 R14: 000055e19ef55bf0 R15: 000055e19ef6a4d0 [ 43.524809] [ 43.525157] irq event stamp: 1825 [ 43.525654] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 43.526940] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 43.528186] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 43.529481] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 43.530735] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21183' (ECDSA) to the list of known hosts. 2025/11/18 12:27:50 fuzzer started 2025/11/18 12:27:50 dialing manager at localhost:34383 2025/11/18 12:27:50 checking machine... 2025/11/18 12:27:50 checking revisions... [ 44.461297] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:27:51 testing simple program... [ 44.560850] cgroup: Unknown subsys name 'net' [ 44.623362] cgroup: Unknown subsys name 'cpuset' [ 44.644061] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:27:50 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86ab8454 RDX=1ffff110012c4f03 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888009627828 RSP=ffff888009627760 R8 =ffffffff86ab8458 R9 =ffff888009627810 R10=000000000003c9ed R11=00000000000255cb R12=ffff888009627830 R13=ffff888009627818 R14=ffff888009627b20 R15=ffff8880096277d0 RIP=ffffffff8135fb79 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 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=00007fd41f375650 CR3=000000001f782000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000247e1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f50067ec6f8 CR3=000000000d3fe000 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=2039343a37323a323120383120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039343a37323a3231203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000