Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.094434] ------------[ cut here ]------------ [ 39.095356] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.097404] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.098882] Modules linked in: [ 39.099478] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.101737] Tainted: [W]=WARN [ 39.102610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.104112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.105060] 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 [ 39.108242] RSP: 0018:ffff888019567bc0 EFLAGS: 00010286 [ 39.109262] RAX: 0000000000000000 RBX: ffffed10032acf78 RCX: ffffffff813a4050 [ 39.110553] RDX: ffff88800cf81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.111850] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032acf2f [ 39.113158] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.114454] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019567df8 [ 39.115742] FS: 00007f6050fd3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.117195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.118303] CR2: 00007f60514c5580 CR3: 000000000cccf000 CR4: 0000000000350ef0 [ 39.119579] Call Trace: [ 39.120082] [ 39.120502] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.121424] ? __create_object+0x59/0x80 [ 39.122209] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.123196] __vmalloc_noprof+0x59/0x60 [ 39.123960] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.124811] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.125777] bpf_prog_alloc+0x39/0x200 [ 39.126535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.127490] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.128408] do_seccomp+0x349/0x25e0 [ 39.129144] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.130062] ? __pfx_do_seccomp+0x10/0x10 [ 39.130866] ? find_held_lock+0x2b/0x80 [ 39.131594] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.132582] ? static_key_count+0x60/0x80 [ 39.133434] prctl_set_seccomp+0x4e/0x70 [ 39.134229] __do_sys_prctl+0xe6c/0x1d70 [ 39.135041] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.135914] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.136932] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.137923] ? irqentry_exit+0xf3/0x650 [ 39.138649] do_syscall_64+0xbf/0x430 [ 39.139399] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.140371] RIP: 0033:0x7f60514c55cd [ 39.141100] 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 [ 39.144359] RSP: 002b:00007ffe05e6eca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.145757] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60514c55cd [ 39.147060] RDX: 00005637115bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.148353] RBP: 00007ffe05e6ed00 R08: 0000000000000000 R09: 00007ffe05e6e3a0 [ 39.149660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563714119ad0 [ 39.150960] R13: 00007ffe05e6f130 R14: 000056371411abc0 R15: 000056371412b780 [ 39.152270] [ 39.152695] irq event stamp: 1865 [ 39.153368] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 39.154918] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 39.156457] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.158031] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.159567] ---[ end trace 0000000000000000 ]--- [ 42.029740] ------------[ cut here ]------------ [ 42.030661] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.032689] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.034175] Modules linked in: [ 42.034759] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.036755] Tainted: [W]=WARN [ 42.037347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.039023] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.040168] 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 [ 42.043364] RSP: 0018:ffff88800fb4fbc0 EFLAGS: 00010286 [ 42.044338] RAX: 0000000000000000 RBX: ffffed1001f69f78 RCX: ffffffff813a4050 [ 42.045874] RDX: ffff888015f39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.047410] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f69f2f [ 42.048891] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.050190] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fb4fdf8 [ 42.051488] FS: 00007f107e0c0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.052924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.054024] CR2: 00007ffe27dddef8 CR3: 000000000ff48000 CR4: 0000000000350ef0 [ 42.055310] Call Trace: [ 42.055791] [ 42.056255] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.057186] ? __create_object+0x59/0x80 [ 42.057998] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.058987] __vmalloc_noprof+0x59/0x60 [ 42.059704] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.060582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.061524] bpf_prog_alloc+0x39/0x200 [ 42.062273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.063210] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.064135] do_seccomp+0x349/0x25e0 [ 42.064868] ? find_held_lock+0x2b/0x80 [ 42.065639] ? do_prlimit+0x310/0x610 [ 42.066388] ? __pfx_do_seccomp+0x10/0x10 [ 42.067190] ? do_raw_spin_unlock+0x53/0x220 [ 42.068039] ? _raw_spin_unlock+0x1e/0x40 [ 42.068784] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.069758] ? static_key_count+0x60/0x80 [ 42.070565] prctl_set_seccomp+0x4e/0x70 [ 42.071374] __do_sys_prctl+0xe6c/0x1d70 [ 42.072168] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.073056] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.074049] ? irqentry_exit+0xf3/0x650 [ 42.074786] do_syscall_64+0xbf/0x430 [ 42.075546] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.076526] RIP: 0033:0x7f107e5b25cd [ 42.077246] 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 [ 42.080413] RSP: 002b:00007ffe27ddc9e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.081808] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f107e5b25cd [ 42.083115] RDX: 000055e87e549e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.084408] RBP: 00007ffe27ddca40 R08: 0000000000000000 R09: 00007ffe27ddc0e0 [ 42.085721] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e88332dbf0 [ 42.087027] R13: 00007ffe27ddce70 R14: 000055e883337380 R15: 000055e883342460 [ 42.088351] [ 42.088782] irq event stamp: 1721 [ 42.089441] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 42.090977] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 42.092524] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 42.093836] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.094780] ---[ end trace 0000000000000000 ]--- [ 42.758491] ------------[ cut here ]------------ [ 42.759419] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.761466] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.762912] Modules linked in: [ 42.763510] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.765526] Tainted: [W]=WARN [ 42.766125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.767910] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.768791] 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 [ 42.772015] RSP: 0018:ffff8880172f7bc0 EFLAGS: 00010286 [ 42.773012] RAX: 0000000000000000 RBX: ffffed1002e5ef78 RCX: ffffffff813a4050 [ 42.774320] RDX: ffff888017acb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.775597] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5ef2f [ 42.776898] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.778205] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172f7df8 [ 42.779485] FS: 00007fdd8ded7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.780936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.782037] CR2: 00007fff5eef3ef8 CR3: 000000001ed2e000 CR4: 0000000000350ef0 [ 42.783327] Call Trace: [ 42.783793] [ 42.784251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.785158] ? __create_object+0x59/0x80 [ 42.785946] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.786925] __vmalloc_noprof+0x59/0x60 [ 42.787637] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.788503] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.789439] bpf_prog_alloc+0x39/0x200 [ 42.790181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.791121] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.792026] do_seccomp+0x349/0x25e0 [ 42.792706] ? find_held_lock+0x2b/0x80 [ 42.793484] ? do_prlimit+0x310/0x610 [ 42.794234] ? __pfx_do_seccomp+0x10/0x10 [ 42.795018] ? do_raw_spin_unlock+0x53/0x220 [ 42.795803] ? _raw_spin_unlock+0x1e/0x40 [ 42.796588] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.797571] ? static_key_count+0x60/0x80 [ 42.798382] prctl_set_seccomp+0x4e/0x70 [ 42.799158] __do_sys_prctl+0xe6c/0x1d70 [ 42.799956] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.800762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.801736] ? irqentry_exit+0xf3/0x650 [ 42.802501] do_syscall_64+0xbf/0x430 [ 42.803248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.804210] RIP: 0033:0x7fdd8e3c95cd [ 42.804907] 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 [ 42.808118] RSP: 002b:00007fff5eef1870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.809495] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd8e3c95cd [ 42.810787] RDX: 000056222c304e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.812069] RBP: 00007fff5eef18d0 R08: 0000000000000000 R09: 00007fff5eef0f70 [ 42.813372] R10: 0000000000000000 R11: 0000000000000246 R12: 00005622419ad240 [ 42.814661] R13: 00007fff5eef1d00 R14: 00005622419b6380 R15: 00005622419c1540 [ 42.815963] [ 42.816383] irq event stamp: 1809 [ 42.817042] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.818425] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.819689] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 42.820961] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 42.822232] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43438' (ECDSA) to the list of known hosts. 2025/11/17 15:46:31 fuzzer started 2025/11/17 15:46:31 dialing manager at localhost:37895 2025/11/17 15:46:31 checking machine... 2025/11/17 15:46:31 checking revisions... [ 43.659584] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:46:31 testing simple program... [ 43.751350] cgroup: Unknown subsys name 'net' [ 43.829524] cgroup: Unknown subsys name 'cpuset' [ 43.844565] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:46:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880171e7ee8 RCX=ffff8880171e793c RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888015f3bb7c RBP=ffff888015f3b780 RSP=ffff8880171e7948 R8 =0000000000000001 R9 =ffff8880171e7a28 R10=000000000003c9ed R11=000000000000a9e3 R12=ffff8880171e7a01 R13=ffff8880171e7a30 R14=ffff8880171e7eb8 R15=ffff8880171e79e8 RIP=ffffffff815d29c0 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 00007f107e0c0900 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=00007f107e08a008 CR3=000000000fe24000 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 info registers vcpu 1 RAX=000000000001e3fb 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff1d8be5000 CR3=000000000cd22000 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=c649d133cd6ae58d334f11f9f8c7daee XMM02=ec2efd57dc4c00df0000000000302b70 XMM03=d29e33a3dc3aca960000000000302c40 XMM04=b798227e916aecdb00000000000ae988 XMM05=15015f1197da35fd000000000031f438 XMM06=5b75c91c80445342000000000031f0c0 XMM07=e042d86d42eb936e000000000030eb00 XMM08=d29e33a3dc3aca960000000000302c40 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000