syzkaller login: [ 39.004000] ------------[ cut here ]------------ [ 39.004765] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.006468] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.008010] Modules linked in: [ 39.008536] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.010244] Tainted: [W]=WARN [ 39.010711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011928] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012683] 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 [ 39.015327] RSP: 0018:ffff8880163f7bc0 EFLAGS: 00010286 [ 39.016106] RAX: 0000000000000000 RBX: ffffed1002c7ef78 RCX: ffffffff813a4050 [ 39.017199] RDX: ffff888019bbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018270] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c7ef2f [ 39.019348] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.020422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163f7df8 [ 39.021483] FS: 00007ff274595900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.022693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.023571] CR2: 00007ff274a87580 CR3: 000000000e517000 CR4: 0000000000350ef0 [ 39.024642] Call Trace: [ 39.025034] [ 39.025409] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.026123] ? __create_object+0x59/0x80 [ 39.026790] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.027589] __vmalloc_noprof+0x59/0x60 [ 39.028223] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.028906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.029674] bpf_prog_alloc+0x39/0x200 [ 39.030299] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031033] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.031781] do_seccomp+0x349/0x25e0 [ 39.032381] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.033091] ? __pfx_do_seccomp+0x10/0x10 [ 39.033754] ? find_held_lock+0x2b/0x80 [ 39.034395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.035151] ? static_key_count+0x60/0x80 [ 39.035825] prctl_set_seccomp+0x4e/0x70 [ 39.036469] __do_sys_prctl+0xe6c/0x1d70 [ 39.037084] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.037798] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.038612] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.039425] ? irqentry_exit+0xf3/0x650 [ 39.040024] do_syscall_64+0xbf/0x430 [ 39.040644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.041420] RIP: 0033:0x7ff274a875cd [ 39.041962] 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 [ 39.044603] RSP: 002b:00007fffae9e6690 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff274a875cd [ 39.046816] RDX: 000055b3a057fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.047878] RBP: 00007fffae9e66f0 R08: 0000000000000000 R09: 00007fffae9e5d90 [ 39.048928] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b3a6851ad0 [ 39.049997] R13: 00007fffae9e6b20 R14: 000055b3a6852bc0 R15: 000055b3a6863780 [ 39.051087] [ 39.051468] irq event stamp: 1749 [ 39.051982] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.053238] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.054524] softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 [ 39.055817] softirqs last disabled at (1297): [] __irq_exit_rcu+0xc4/0x100 [ 39.057070] ---[ end trace 0000000000000000 ]--- [ 42.348661] ------------[ cut here ]------------ [ 42.349617] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.351721] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.353245] Modules linked in: [ 42.353835] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.355923] Tainted: [W]=WARN [ 42.356545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.358015] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.358955] 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 [ 42.362136] RSP: 0018:ffff88801773fbc0 EFLAGS: 00010286 [ 42.363129] RAX: 0000000000000000 RBX: ffffed1002ee7f78 RCX: ffffffff813a4050 [ 42.364421] RDX: ffff888016300000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.365721] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee7f2f [ 42.367008] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.368300] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801773fdf8 [ 42.369598] FS: 00007fea8e620900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.371073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.372141] CR2: 00007ffe4f134ef7 CR3: 000000001f7b0000 CR4: 0000000000350ef0 [ 42.373430] Call Trace: [ 42.373907] [ 42.374377] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.375297] ? __create_object+0x59/0x80 [ 42.376042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.377024] __vmalloc_noprof+0x59/0x60 [ 42.377770] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.378658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.379598] bpf_prog_alloc+0x39/0x200 [ 42.380327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.381270] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.382126] do_seccomp+0x349/0x25e0 [ 42.382874] ? find_held_lock+0x2b/0x80 [ 42.383636] ? do_prlimit+0x310/0x610 [ 42.384385] ? __pfx_do_seccomp+0x10/0x10 [ 42.385134] ? do_raw_spin_unlock+0x53/0x220 [ 42.385969] ? _raw_spin_unlock+0x1e/0x40 [ 42.386762] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.387727] ? static_key_count+0x60/0x80 [ 42.388530] prctl_set_seccomp+0x4e/0x70 [ 42.389310] __do_sys_prctl+0xe6c/0x1d70 [ 42.390056] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.390925] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.391894] ? irqentry_exit+0xf3/0x650 [ 42.392663] do_syscall_64+0xbf/0x430 [ 42.393416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.394372] RIP: 0033:0x7fea8eb125cd [ 42.395039] 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 [ 42.398266] RSP: 002b:00007ffe4f133db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.399642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea8eb125cd [ 42.400935] RDX: 00005580bada0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.402241] RBP: 00007ffe4f133e10 R08: 0000000000000000 R09: 00007ffe4f1334b0 [ 42.403547] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580c9ce4b10 [ 42.404831] R13: 00007ffe4f134240 R14: 00005580c9ce52b0 R15: 00005580c9cf96f0 [ 42.406133] [ 42.406605] irq event stamp: 1779 [ 42.407259] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 42.408795] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 42.410341] softirqs last enabled at (1336): [] handle_softirqs+0x50c/0x770 [ 42.411883] softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100 [ 42.413395] ---[ end trace 0000000000000000 ]--- [ 43.202930] ------------[ cut here ]------------ [ 43.204075] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.206083] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.207556] Modules linked in: [ 43.208140] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.210143] Tainted: [W]=WARN [ 43.210747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.212224] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.213088] 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 [ 43.216254] RSP: 0018:ffff88800a2d7bc0 EFLAGS: 00010286 [ 43.217226] RAX: 0000000000000000 RBX: ffffed100145af78 RCX: ffffffff813a4050 [ 43.218519] RDX: ffff8880164c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.219798] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100145af2f [ 43.221084] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.222382] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a2d7df8 [ 43.223659] FS: 00007fbdee878900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.225114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.226208] CR2: 00007ffe29e13ef7 CR3: 000000001fd7e000 CR4: 0000000000350ef0 [ 43.227512] Call Trace: [ 43.227975] [ 43.228433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.229341] ? __create_object+0x59/0x80 [ 43.230084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.231075] __vmalloc_noprof+0x59/0x60 [ 43.231834] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.232716] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.233661] bpf_prog_alloc+0x39/0x200 [ 43.234411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.235353] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.236270] do_seccomp+0x349/0x25e0 [ 43.236946] ? find_held_lock+0x2b/0x80 [ 43.237712] ? do_prlimit+0x310/0x610 [ 43.238471] ? __pfx_do_seccomp+0x10/0x10 [ 43.239266] ? do_raw_spin_unlock+0x53/0x220 [ 43.240054] ? _raw_spin_unlock+0x1e/0x40 [ 43.240844] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.241817] ? static_key_count+0x60/0x80 [ 43.242632] prctl_set_seccomp+0x4e/0x70 [ 43.243422] __do_sys_prctl+0xe6c/0x1d70 [ 43.244172] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.245043] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.246018] ? irqentry_exit+0xf3/0x650 [ 43.246793] do_syscall_64+0xbf/0x430 [ 43.247548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.248512] RIP: 0033:0x7fbdeed6a5cd [ 43.249226] 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 [ 43.252428] RSP: 002b:00007ffe29e12030 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.253799] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdeed6a5cd [ 43.255104] RDX: 0000561ea9a71e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.256403] RBP: 00007ffe29e12090 R08: 0000000000000000 R09: 00007ffe29e11730 [ 43.257717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ec5509b10 [ 43.259018] R13: 00007ffe29e124c0 R14: 0000561ec550a2b0 R15: 0000561ec551e6f0 [ 43.260341] [ 43.260770] irq event stamp: 1749 [ 43.261425] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 43.262972] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 43.264501] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 43.266057] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 43.267591] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37144' (ECDSA) to the list of known hosts. 2025/11/18 05:09:48 fuzzer started 2025/11/18 05:09:49 dialing manager at localhost:37895 2025/11/18 05:09:49 checking machine... 2025/11/18 05:09:49 checking revisions... [ 44.155985] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:09:49 testing simple program... [ 44.264443] cgroup: Unknown subsys name 'net' [ 44.351546] cgroup: Unknown subsys name 'cpuset' [ 44.365112] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:09:48 Registers: info registers vcpu 0 RAX=0000000000042c37 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f86a31a0618 CR3=000000000dc67000 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=0781f975dc58378273472e9b175f1385 XMM02=ec2efd57dc4c00df00000000002ffe00 XMM03=cc87ad813ff7a0eb00000000002ffed0 XMM04=3f3c39aa77b64d3600000000000ae988 XMM05=f0eccdd4eba9f83a000000000031d900 XMM06=474038aa6c007e1f000000000031c9a0 XMM07=e042d86d42eb936e000000000030c3e0 XMM08=cc87ad813ff7a0eb00000000002ffed0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81a848c5 RBX=ffffffff8671c618 RCX=ffffffff81a848aa RDX=0000000000000000 RSI=ffffffff86aaa338 RDI=ffffffff8671c604 RBP=ffffffff8671c604 RSP=ffff88801654ed88 R8 =ffffffff86aaa338 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023094 R12=ffffffff8671c614 R13=ffffffff8671c604 R14=ffffffff8671c604 R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000283 [--S---C] 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 00007fea8e620900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea8e5ff020 CR3=000000001f621000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000