[ 39.050159] ------------[ cut here ]------------ [ 39.050920] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.052561] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.053933] Modules linked in: [ 39.054573] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.056212] Tainted: [W]=WARN [ 39.056703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.057908] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.058685] 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 [ 39.061301] RSP: 0018:ffff888018bc7bc0 EFLAGS: 00010286 [ 39.062060] RAX: 0000000000000000 RBX: ffffed1003178f78 RCX: ffffffff813a4050 [ 39.063122] RDX: ffff88800eeb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.064173] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003178f2f [ 39.065234] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.066320] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bc7df8 [ 39.067376] FS: 00007f5bc7a63900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.068575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.069455] CR2: 00007f5bc7f55580 CR3: 000000000e095000 CR4: 0000000000350ef0 [ 39.070525] Call Trace: [ 39.070908] [ 39.071247] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.071994] ? __create_object+0x59/0x80 [ 39.072653] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.073462] __vmalloc_noprof+0x59/0x60 [ 39.074056] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.074797] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.075579] bpf_prog_alloc+0x39/0x200 [ 39.076159] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.076924] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.077675] do_seccomp+0x349/0x25e0 [ 39.078235] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.079003] ? __pfx_do_seccomp+0x10/0x10 [ 39.079672] ? find_held_lock+0x2b/0x80 [ 39.080300] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.081060] ? static_key_count+0x60/0x80 [ 39.081728] prctl_set_seccomp+0x4e/0x70 [ 39.082378] __do_sys_prctl+0xe6c/0x1d70 [ 39.082987] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.083692] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.084495] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.085255] ? irqentry_exit+0xf3/0x650 [ 39.085890] do_syscall_64+0xbf/0x430 [ 39.086509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.087254] RIP: 0033:0x7f5bc7f555cd [ 39.087841] 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 [ 39.090468] RSP: 002b:00007fff7470d0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.091599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5bc7f555cd [ 39.092654] RDX: 000055601d7f4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.093724] RBP: 00007fff7470d120 R08: 0000000000000000 R09: 00007fff7470c7c0 [ 39.094797] R10: 0000000000000000 R11: 0000000000000246 R12: 000055603d4b32b0 [ 39.095852] R13: 00007fff7470d550 R14: 000055603d4b5d20 R15: 000055603d4c78d0 [ 39.096923] [ 39.097300] irq event stamp: 1857 [ 39.097807] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 39.099077] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 39.100336] softirqs last enabled at (1486): [] handle_softirqs+0x50c/0x770 [ 39.101607] softirqs last disabled at (1481): [] __irq_exit_rcu+0xc4/0x100 [ 39.102881] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.285368] ------------[ cut here ]------------ [ 41.285936] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.287211] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.288135] Modules linked in: [ 41.288536] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.289821] Tainted: [W]=WARN [ 41.290179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.291142] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.291715] 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 [ 41.293758] RSP: 0018:ffff88801983fbc0 EFLAGS: 00010286 [ 41.294384] RAX: 0000000000000000 RBX: ffffed1003307f78 RCX: ffffffff813a4050 [ 41.295164] RDX: ffff888017548000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.295994] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003307f2f [ 41.296804] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.297621] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801983fdf8 [ 41.298446] FS: 00007fa019b38900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.299372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.300023] CR2: 00007ffca517fef7 CR3: 000000000d21a000 CR4: 0000000000350ef0 [ 41.300852] Call Trace: [ 41.301147] [ 41.301432] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.301974] ? __create_object+0x59/0x80 [ 41.302476] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.303066] __vmalloc_noprof+0x59/0x60 [ 41.303565] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.304094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.304689] bpf_prog_alloc+0x39/0x200 [ 41.305132] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.305720] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.306305] do_seccomp+0x349/0x25e0 [ 41.306747] ? find_held_lock+0x2b/0x80 [ 41.307201] ? do_prlimit+0x310/0x610 [ 41.307673] ? __pfx_do_seccomp+0x10/0x10 [ 41.308145] ? do_raw_spin_unlock+0x53/0x220 [ 41.308682] ? _raw_spin_unlock+0x1e/0x40 [ 41.309151] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.309767] ? static_key_count+0x60/0x80 [ 41.310252] prctl_set_seccomp+0x4e/0x70 [ 41.310750] __do_sys_prctl+0xe6c/0x1d70 [ 41.311217] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.311756] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.312378] ? irqentry_exit+0xf3/0x650 [ 41.312841] do_syscall_64+0xbf/0x430 [ 41.313314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.313889] RIP: 0033:0x7fa01a02a5cd [ 41.314342] 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 [ 41.316366] RSP: 002b:00007ffca517e450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.317213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa01a02a5cd [ 41.318025] RDX: 00005645efc7de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.318848] RBP: 00007ffca517e4b0 R08: 0000000000000000 R09: 00007ffca517db50 [ 41.319671] R10: 0000000000000000 R11: 0000000000000246 R12: 000056462a380ad0 [ 41.320477] R13: 00007ffca517e8e0 R14: 000056462a381bc0 R15: 000056462a392780 [ 41.321302] [ 41.321573] irq event stamp: 1675 [ 41.321956] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 41.322941] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 41.323907] softirqs last enabled at (1190): [] handle_softirqs+0x50c/0x770 [ 41.324891] softirqs last disabled at (1181): [] __irq_exit_rcu+0xc4/0x100 [ 41.325855] ---[ end trace 0000000000000000 ]--- [ 42.075781] ------------[ cut here ]------------ [ 42.076728] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.078788] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.080270] Modules linked in: [ 42.080925] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.082951] Tainted: [W]=WARN [ 42.083575] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.085058] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.086000] 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 [ 42.089509] RSP: 0018:ffff888019cbfbc0 EFLAGS: 00010286 [ 42.090496] RAX: 0000000000000000 RBX: ffffed1003397f78 RCX: ffffffff813a4050 [ 42.091782] RDX: ffff888015d51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.093131] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003397f2f [ 42.094672] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.095974] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019cbfdf8 [ 42.097316] FS: 00007fb109e81900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.098750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.099843] CR2: 00007fb10a373580 CR3: 000000000b9ad000 CR4: 0000000000350ef0 [ 42.101154] Call Trace: [ 42.101680] [ 42.102104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.103033] ? __create_object+0x59/0x80 [ 42.103847] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.104859] __vmalloc_noprof+0x59/0x60 [ 42.105642] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.106608] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.107624] bpf_prog_alloc+0x39/0x200 [ 42.108437] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.109453] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.110444] do_seccomp+0x349/0x25e0 [ 42.111161] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.112127] ? __pfx_do_seccomp+0x10/0x10 [ 42.112977] ? find_held_lock+0x2b/0x80 [ 42.113782] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.114835] ? static_key_count+0x60/0x80 [ 42.115691] prctl_set_seccomp+0x4e/0x70 [ 42.116528] __do_sys_prctl+0xe6c/0x1d70 [ 42.117357] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.118220] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.119256] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.120263] ? irqentry_exit+0xf3/0x650 [ 42.121093] do_syscall_64+0xbf/0x430 [ 42.121880] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.122895] RIP: 0033:0x7fb10a3735cd [ 42.123650] 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 [ 42.126976] RSP: 002b:00007ffec69d3db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.128419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb10a3735cd [ 42.129779] RDX: 0000562c88ee2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.131155] RBP: 00007ffec69d3e10 R08: 0000000000000000 R09: 00007ffec69d34b0 [ 42.132528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c8eaabb10 [ 42.133889] R13: 00007ffec69d4240 R14: 0000562c8eaac2b0 R15: 0000562c8eac06f0 [ 42.135318] [ 42.135773] irq event stamp: 1795 [ 42.136471] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.138076] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.139607] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 42.140960] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 42.142296] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20426' (ECDSA) to the list of known hosts. 2025/11/18 22:05:37 fuzzer started 2025/11/18 22:05:37 dialing manager at localhost:34383 2025/11/18 22:05:37 checking machine... 2025/11/18 22:05:37 checking revisions... [ 43.130183] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:05:38 testing simple program... [ 43.216520] cgroup: Unknown subsys name 'net' [ 43.272208] cgroup: Unknown subsys name 'cpuset' [ 43.291348] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:05:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015e23780 RCX=ffff888015977638 RDX=0000000000000000 RSI=1ffff11002b2eeb5 RDI=ffff888015e23b7c RBP=ffff8880159775f0 RSP=ffff8880159774c0 R8 =0000000000000000 R9 =0000000000000000 R10=ffff888015977598 R11=0000000000000000 R12=0000000000000000 R13=ffff8880159775e0 R14=ffff8880159775e0 R15=ffff888015977598 RIP=ffffffff815bd72a RFL=00000217 [----APC] 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 00007fa019b38900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056462a396b88 CR3=000000000e2ef000 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=35303a323220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383930 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001ab8d 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9908478000 CR3=000000000d076000 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=c5867e499238ee9347413fc533a3ffec XMM02=2c67c8bc2e329bc30000000000307638 XMM03=fb795ef6d657705600000000003104e8 XMM04=6005a38c2491f42500000000000ae988 XMM05=090f1556b20111b30000000000320d40 XMM06=9c87c776c710af18000000000031ab30 XMM07=e042d86d42eb936e0000000000310768 XMM08=55549b43aebbfe0c0000000000307698 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000