Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.021572] ------------[ cut here ]------------ [ 39.022521] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.024607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.026023] Modules linked in: [ 39.026647] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.028648] Tainted: [W]=WARN [ 39.029206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030897] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031883] 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 [ 39.035049] RSP: 0018:ffff888016da7bc0 EFLAGS: 00010286 [ 39.036049] RAX: 0000000000000000 RBX: ffffed1002db4f78 RCX: ffffffff813a4050 [ 39.037300] RDX: ffff88800f5cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.038528] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db4f2f [ 39.039770] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.041000] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016da7df8 [ 39.042248] FS: 00007f095d4d1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.043670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.044704] CR2: 00007f095d9c3580 CR3: 000000000d73e000 CR4: 0000000000350ef0 [ 39.045975] Call Trace: [ 39.046437] [ 39.046886] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.047782] ? __create_object+0x59/0x80 [ 39.048548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.049505] __vmalloc_noprof+0x59/0x60 [ 39.050191] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.051048] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051962] bpf_prog_alloc+0x39/0x200 [ 39.052687] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053599] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.054433] do_seccomp+0x349/0x25e0 [ 39.055134] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.056041] ? __pfx_do_seccomp+0x10/0x10 [ 39.056826] ? find_held_lock+0x2b/0x80 [ 39.057565] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.058441] ? static_key_count+0x60/0x80 [ 39.059216] prctl_set_seccomp+0x4e/0x70 [ 39.059970] __do_sys_prctl+0xe6c/0x1d70 [ 39.060726] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.061549] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.062422] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.063341] ? irqentry_exit+0xf3/0x650 [ 39.064093] do_syscall_64+0xbf/0x430 [ 39.064807] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.065727] RIP: 0033:0x7f095d9c35cd [ 39.066365] 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 [ 39.069388] RSP: 002b:00007ffe28fefa90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.070680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f095d9c35cd [ 39.071917] RDX: 0000558e98653e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.073138] RBP: 00007ffe28fefaf0 R08: 0000000000000000 R09: 00007ffe28fef190 [ 39.074353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558eca294ad0 [ 39.075573] R13: 00007ffe28feff20 R14: 0000558eca295bc0 R15: 0000558eca2a6780 [ 39.076820] [ 39.077224] irq event stamp: 1839 [ 39.077840] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 39.079299] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 39.080748] softirqs last enabled at (1862): [] handle_softirqs+0x50c/0x770 [ 39.082217] softirqs last disabled at (1857): [] __irq_exit_rcu+0xc4/0x100 [ 39.083664] ---[ end trace 0000000000000000 ]--- [ 41.856848] ------------[ cut here ]------------ [ 41.857806] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.859924] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.861411] Modules linked in: [ 41.862042] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.864046] Tainted: [W]=WARN [ 41.864646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.866127] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.867019] 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 [ 41.870220] RSP: 0018:ffff8880167ffbc0 EFLAGS: 00010286 [ 41.871213] RAX: 0000000000000000 RBX: ffffed1002cfff78 RCX: ffffffff813a4050 [ 41.872508] RDX: ffff8880170a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.873786] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfff2f [ 41.875083] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.876387] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167ffdf8 [ 41.877679] FS: 00007ff2c643b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.879120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.880194] CR2: 00007ffe98b37ef7 CR3: 000000001c625000 CR4: 0000000000350ef0 [ 41.881500] Call Trace: [ 41.881973] [ 41.882379] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.883266] ? __create_object+0x59/0x80 [ 41.884061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.885016] __vmalloc_noprof+0x59/0x60 [ 41.885785] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.886656] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.887598] bpf_prog_alloc+0x39/0x200 [ 41.888285] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.889212] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.890114] do_seccomp+0x349/0x25e0 [ 41.890831] ? find_held_lock+0x2b/0x80 [ 41.891602] ? do_prlimit+0x310/0x610 [ 41.892293] ? __pfx_do_seccomp+0x10/0x10 [ 41.893078] ? do_raw_spin_unlock+0x53/0x220 [ 41.893898] ? _raw_spin_unlock+0x1e/0x40 [ 41.895544] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.896560] ? static_key_count+0x60/0x80 [ 41.897312] prctl_set_seccomp+0x4e/0x70 [ 41.898081] __do_sys_prctl+0xe6c/0x1d70 [ 41.898858] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.899704] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.900679] ? irqentry_exit+0xf3/0x650 [ 41.901415] do_syscall_64+0xbf/0x430 [ 41.902161] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.903115] RIP: 0033:0x7ff2c692d5cd [ 41.903824] 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 [ 41.906998] RSP: 002b:00007ffe98b359e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.908389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2c692d5cd [ 41.909709] RDX: 000055ec8d8abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.911006] RBP: 00007ffe98b35a40 R08: 0000000000000000 R09: 00007ffe98b350e0 [ 41.912182] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eca67792b0 [ 41.912998] R13: 00007ffe98b35e70 R14: 000055eca677bd20 R15: 000055eca678d8d0 [ 41.913818] [ 41.914086] irq event stamp: 1793 [ 41.914495] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 41.915435] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 41.916284] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 41.916992] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 41.917686] ---[ end trace 0000000000000000 ]--- [ 42.703264] ------------[ cut here ]------------ [ 42.704183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.706205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.707673] Modules linked in: [ 42.708253] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.710218] Tainted: [W]=WARN [ 42.710806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.712278] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.713173] 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 [ 42.716268] RSP: 0018:ffff8880162d7bc0 EFLAGS: 00010286 [ 42.717225] RAX: 0000000000000000 RBX: ffffed1002c5af78 RCX: ffffffff813a4050 [ 42.718477] RDX: ffff888015751bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.719742] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c5af2f [ 42.721003] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.722271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162d7df8 [ 42.723539] FS: 00007f35fb0f2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.724940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.725979] CR2: 00007f35fb5e4580 CR3: 000000001e02d000 CR4: 0000000000350ef0 [ 42.727247] Call Trace: [ 42.727758] [ 42.728163] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.729039] ? __create_object+0x59/0x80 [ 42.729812] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.730778] __vmalloc_noprof+0x59/0x60 [ 42.731534] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.732356] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.733284] bpf_prog_alloc+0x39/0x200 [ 42.734005] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.734936] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.735844] do_seccomp+0x349/0x25e0 [ 42.736550] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.737383] ? __pfx_do_seccomp+0x10/0x10 [ 42.738164] ? find_held_lock+0x2b/0x80 [ 42.738918] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.739874] ? static_key_count+0x60/0x80 [ 42.740670] prctl_set_seccomp+0x4e/0x70 [ 42.741384] __do_sys_prctl+0xe6c/0x1d70 [ 42.742159] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.742997] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.743969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.744925] ? irqentry_exit+0xf3/0x650 [ 42.745678] do_syscall_64+0xbf/0x430 [ 42.746370] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.747298] RIP: 0033:0x7f35fb5e45cd [ 42.747991] 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 [ 42.751102] RSP: 002b:00007ffd461962a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.752475] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35fb5e45cd [ 42.753743] RDX: 000055c42ed31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.755003] RBP: 00007ffd46196300 R08: 0000000000000000 R09: 00007ffd461959a0 [ 42.756279] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c44231bad0 [ 42.757543] R13: 00007ffd46196730 R14: 000055c44231cbc0 R15: 000055c44232d780 [ 42.758828] [ 42.759246] irq event stamp: 1771 [ 42.759897] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.761385] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.762880] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 42.764408] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 42.765923] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46455' (ECDSA) to the list of known hosts. 2025/11/17 17:05:17 fuzzer started 2025/11/17 17:05:17 dialing manager at localhost:37895 2025/11/17 17:05:17 checking machine... 2025/11/17 17:05:17 checking revisions... [ 43.657282] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:05:17 testing simple program... [ 43.738565] cgroup: Unknown subsys name 'net' [ 43.799417] cgroup: Unknown subsys name 'cpuset' [ 43.822245] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:05:16 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=ffff888016ee3780 RCX=ffff88806ce089c4 RDX=0000000000000000 RSI=ffffffff81439d9d RDI=ffff888016ee3b7c RBP=ffff88806ce08ac8 RSP=ffff88806ce089e8 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000000aa04 R12=0000000000000000 R13=ffff88806ce08ab8 R14=ffff888016ee3780 R15=ffff88806ce08a70 RIP=ffffffff815bd5a7 RFL=00000202 [-------] 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 00007ff2c643b900 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=00007ffe98b2f000 CR3=000000000c789000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020665 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 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc8b488c228 CR3=000000000dc7e000 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=f2a886c34b6656827043b0f79e459ef9 XMM02=0000000000304a88ec2efd57dc4c00df XMM03=000000000030dd5877804a03dca27bca XMM04=572db38e1fe4bd1400000000000ae988 XMM05=922920b3502c5490000000000031ebd8 XMM06=5b75c91c80445342000000000031e578 XMM07=e042d86d42eb936e000000000030e030 XMM08=77804a03dca27bca0000000000304ae8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000