Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.443762] ------------[ cut here ]------------ [ 46.444744] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.446760] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.448248] Modules linked in: [ 46.448879] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.450841] Tainted: [W]=WARN [ 46.451419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.452945] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.453865] 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 [ 46.457064] RSP: 0018:ffff888013f8fbc0 EFLAGS: 00010286 [ 46.458044] RAX: 0000000000000000 RBX: ffffed10027f1f78 RCX: ffffffff813a4050 [ 46.459344] RDX: ffff88800ed2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.460649] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027f1f2f [ 46.461933] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.463231] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f8fdf8 [ 46.464531] FS: 00007f2391a28900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.465933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.466972] CR2: 00007ffd01a7bef7 CR3: 000000000d379000 CR4: 0000000000350ef0 [ 46.468259] Call Trace: [ 46.468762] [ 46.469165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.470047] ? __create_object+0x59/0x80 [ 46.470810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.471754] __vmalloc_noprof+0x59/0x60 [ 46.472522] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.473387] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.474263] bpf_prog_alloc+0x39/0x200 [ 46.474986] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.475902] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.476818] do_seccomp+0x349/0x25e0 [ 46.477524] ? find_held_lock+0x2b/0x80 [ 46.478225] ? do_prlimit+0x310/0x610 [ 46.478953] ? __pfx_do_seccomp+0x10/0x10 [ 46.479712] ? do_raw_spin_unlock+0x53/0x220 [ 46.480560] ? _raw_spin_unlock+0x1e/0x40 [ 46.481284] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.482229] ? static_key_count+0x60/0x80 [ 46.483017] prctl_set_seccomp+0x4e/0x70 [ 46.483768] __do_sys_prctl+0xe6c/0x1d70 [ 46.484573] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.485434] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.486390] ? irqentry_exit+0xf3/0x650 [ 46.487097] do_syscall_64+0xbf/0x430 [ 46.487829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.488817] RIP: 0033:0x7f2391f1a5cd [ 46.489523] 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 [ 46.492661] RSP: 002b:00007ffd01a79a10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.494022] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2391f1a5cd [ 46.495282] RDX: 000055da61b77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.496597] RBP: 00007ffd01a79a70 R08: 0000000000000000 R09: 00007ffd01a79110 [ 46.497862] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da8cec1bf0 [ 46.499137] R13: 00007ffd01a79ea0 R14: 000055da8cecb380 R15: 000055da8ced6460 [ 46.500474] [ 46.500902] irq event stamp: 1721 [ 46.501564] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 46.503112] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 46.504658] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 46.506191] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 46.507718] ---[ end trace 0000000000000000 ]--- [ 49.985214] ------------[ cut here ]------------ [ 49.986156] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.988186] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.989607] Modules linked in: [ 49.990195] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.992194] Tainted: [W]=WARN [ 49.992797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.994535] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.995519] 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 [ 49.998689] RSP: 0018:ffff888013f77bc0 EFLAGS: 00010286 [ 49.999666] RAX: 0000000000000000 RBX: ffffed10027eef78 RCX: ffffffff813a4050 [ 50.000961] RDX: ffff8880156c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.002222] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027eef2f [ 50.003493] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.004775] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f77df8 [ 50.006053] FS: 00007f8134ea9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.007496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.008562] CR2: 00007ffc348f0ef7 CR3: 000000001f9dd000 CR4: 0000000000350ef0 [ 50.009836] Call Trace: [ 50.010294] [ 50.010742] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.011643] ? __create_object+0x59/0x80 [ 50.012430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.013396] __vmalloc_noprof+0x59/0x60 [ 50.014107] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.014972] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.015912] bpf_prog_alloc+0x39/0x200 [ 50.016673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.017603] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.018507] do_seccomp+0x349/0x25e0 [ 50.019180] ? find_held_lock+0x2b/0x80 [ 50.019951] ? do_prlimit+0x310/0x610 [ 50.020750] ? __pfx_do_seccomp+0x10/0x10 [ 50.021564] ? do_raw_spin_unlock+0x53/0x220 [ 50.022397] ? _raw_spin_unlock+0x1e/0x40 [ 50.023131] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.024100] ? static_key_count+0x60/0x80 [ 50.024900] prctl_set_seccomp+0x4e/0x70 [ 50.025678] __do_sys_prctl+0xe6c/0x1d70 [ 50.026460] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.027288] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.028270] ? irqentry_exit+0xf3/0x650 [ 50.029038] do_syscall_64+0xbf/0x430 [ 50.029772] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.030717] RIP: 0033:0x7f813539b5cd [ 50.031426] 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 [ 50.034616] RSP: 002b:00007ffc348ee890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.035979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f813539b5cd [ 50.037272] RDX: 000055a0d5cc6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.038554] RBP: 00007ffc348ee8f0 R08: 0000000000000000 R09: 00007ffc348edf90 [ 50.039824] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a0f70d0bf0 [ 50.041115] R13: 00007ffc348eed20 R14: 000055a0f70da380 R15: 000055a0f70e5460 [ 50.042424] [ 50.042848] irq event stamp: 1827 [ 50.043492] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 50.045041] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 50.046585] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 50.048221] softirqs last disabled at (1395): [] __irq_exit_rcu+0xc4/0x100 [ 50.049845] ---[ end trace 0000000000000000 ]--- [ 50.925490] ------------[ cut here ]------------ [ 50.926544] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.928704] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.930259] Modules linked in: [ 50.930941] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.933063] Tainted: [W]=WARN [ 50.933708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.935260] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.936256] 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 [ 50.939615] RSP: 0018:ffff88801ae97bc0 EFLAGS: 00010286 [ 50.940664] RAX: 0000000000000000 RBX: ffffed10035d2f78 RCX: ffffffff813a4050 [ 50.942025] RDX: ffff888019b7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.943388] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035d2f2f [ 50.944768] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.946121] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ae97df8 [ 50.947459] FS: 00007f14c4237900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.948995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.950124] CR2: 00007ffe394f5ef7 CR3: 000000000dd0d000 CR4: 0000000000350ef0 [ 50.951478] Call Trace: [ 50.951976] [ 50.952464] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.953392] ? __create_object+0x59/0x80 [ 50.954162] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.955198] __vmalloc_noprof+0x59/0x60 [ 50.955996] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.956907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.957888] bpf_prog_alloc+0x39/0x200 [ 50.958656] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.959638] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.960598] do_seccomp+0x349/0x25e0 [ 50.961310] ? find_held_lock+0x2b/0x80 [ 50.962123] ? do_prlimit+0x310/0x610 [ 50.962915] ? __pfx_do_seccomp+0x10/0x10 [ 50.963742] ? do_raw_spin_unlock+0x53/0x220 [ 50.964638] ? _raw_spin_unlock+0x1e/0x40 [ 50.965458] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.966459] ? static_key_count+0x60/0x80 [ 50.967248] prctl_set_seccomp+0x4e/0x70 [ 50.968065] __do_sys_prctl+0xe6c/0x1d70 [ 50.968903] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.969792] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.970802] ? irqentry_exit+0xf3/0x650 [ 50.971594] do_syscall_64+0xbf/0x430 [ 50.972398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.973441] RIP: 0033:0x7f14c47295cd [ 50.974129] 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 [ 50.977396] RSP: 002b:00007ffe394f41a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.978803] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14c47295cd [ 50.980115] RDX: 000055c2f3bc9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.981444] RBP: 00007ffe394f4200 R08: 0000000000000000 R09: 00007ffe394f38a0 [ 50.982771] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3177492b0 [ 50.984115] R13: 00007ffe394f4630 R14: 000055c31774bd20 R15: 000055c31775d8d0 [ 50.985454] [ 50.985885] irq event stamp: 1781 [ 50.986561] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 50.988145] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 50.989726] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 50.991302] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 50.992896] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62092' (ECDSA) to the list of known hosts. 2025/11/17 14:04:40 fuzzer started 2025/11/17 14:04:40 dialing manager at localhost:37895 2025/11/17 14:04:40 checking machine... 2025/11/17 14:04:40 checking revisions... [ 51.804713] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:04:40 testing simple program... [ 51.892497] cgroup: Unknown subsys name 'net' [ 51.958387] cgroup: Unknown subsys name 'cpuset' [ 51.973084] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:04:39 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff81daa690 RCX=0000000000000001 RDX=ffff888009627be0 RSI=1ffff1100128e42e RDI=ffff888009472170 RBP=ffff888009472140 RSP=ffff888009627b38 R8 =ffff88800dc7ac00 R9 =ffffed100129f3c0 R10=0000000000000016 R11=0000000000000001 R12=ffffea0000745a00 R13=ffff888009627cb8 R14=ffff88801d168a70 R15=ffff888009472140 RIP=ffffffff81b571b1 RFL=00000282 [--S----] 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc348e8000 CR3=000000000cff4000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000274c3 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=00007f29b5026570 CR3=000000000d783000 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=f601bfde74f4cbaac34a20ebb66ca255 XMM02=ec2efd57dc4c00df0000000000305318 XMM03=c4fc6523bc14eb8e00000000003053e8 XMM04=8c7feed46912254c00000000000ae988 XMM05=150822e5fe36c9390000000000320f20 XMM06=474038aa6c007e1f00000000003205a8 XMM07=e042d86d42eb936e0000000000310c08 XMM08=c4fc6523bc14eb8e00000000003053e8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000