sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer BUG: Bad rss-counter state mm:00000000f407942f type:MM_FILEPAGES val:-4 Comm:systemd-udevd Pid:4013 loop5: detected capacity change from 0 to 140 EXT4-fs (loop5): mounting ext2 file system using the ext4 subsystem EXT4-fs error (device loop5): __ext4_fill_super:5510: inode #2: comm syz-executor.5: iget: bad extended attribute block 3442517925 EXT4-fs (loop5): get root inode failed EXT4-fs (loop5): mount failed kmemleak: Found object by alias at 0x607f1a63e768 CPU: 1 UID: 0 PID: 4023 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a80acb19 Code: Unable to access opcode bytes at 0x7f35a80acaef. RSP: 002b:00007fffab310248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f35a80acb19 RDX: 00007f35a805f72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d02452c R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fffab310330 kmemleak: Object (percpu) 0x607f1a63e760 (size 16): kmemleak: comm "syz-executor.0", pid 278, jiffies 4294825723 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 mm_init+0xcac/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f loop2: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 02 00 00 02 00 blk_print_req_error: 29 callbacks suppressed I/O error, dev sr0, sector 8 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 8 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 buffer_io_error: 38 callbacks suppressed Buffer I/O error on dev sr0, logical block 8, async page read kmemleak: Found object by alias at 0x607f1a63e768 CPU: 1 UID: 0 PID: 4038 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a80acb19 Code: Unable to access opcode bytes at 0x7f35a80acaef. RSP: 002b:00007fffab310248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f35a80acb19 RDX: 00007f35a805f72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d0243b4 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fffab310330 kmemleak: Object (percpu) 0x607f1a63e760 (size 16): kmemleak: comm "syz-executor.0", pid 278, jiffies 4294825723 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 mm_init+0xcac/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 9 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 9, async page read sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] kmemleak: Found object by alias at 0x607f1a63e764 CPU: 1 UID: 0 PID: 4037 Comm: syz-executor.2 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa92c654b19 Code: Unable to access opcode bytes at 0x7fa92c654aef. RSP: 002b:00007fa929bca218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007fa92c767f68 RCX: 00007fa92c654b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fa92c767f6c RBP: 00007fa92c767f60 R08: 0000000000000009 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fa92c767f6c R13: 00007fff6094a85f R14: 00007fa929bca300 R15: 0000000000022000 kmemleak: Object (percpu) 0x607f1a63e760 (size 16): kmemleak: comm "syz-executor.0", pid 278, jiffies 4294825723 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 mm_init+0xcac/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f 9pnet: Could not find request transport: fd6rfdno=0x0000000000000006 sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 10 op 0x0:(READ) flags 0x0 phys_seg 6 prio class 2 Buffer I/O error on dev sr0, logical block 10, async page read Buffer I/O error on dev sr0, logical block 11, async page read Buffer I/O error on dev sr0, logical block 12, async page read Buffer I/O error on dev sr0, logical block 13, async page read Buffer I/O error on dev sr0, logical block 14, async page read Buffer I/O error on dev sr0, logical block 15, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 loop5: detected capacity change from 0 to 140 EXT4-fs (loop5): mounting ext2 file system using the ext4 subsystem EXT4-fs error (device loop5): __ext4_fill_super:5510: inode #2: comm syz-executor.5: iget: bad extended attribute block 3442517925 sr 1:0:0:0: [sr0] tag#0 unaligned transfer EXT4-fs (loop5): get root inode failed I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 EXT4-fs (loop5): mount failed sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 kmemleak: Found object by alias at 0x607f1a63e768 CPU: 1 UID: 0 PID: 4045 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a80acb19 Code: Unable to access opcode bytes at 0x7f35a80acaef. RSP: 002b:00007fffab310248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f35a80acb19 RDX: 00007f35a805f72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d022ebc R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fffab310330 kmemleak: Object (percpu) 0x607f1a63e760 (size 16): kmemleak: comm "syz-executor.2", pid 285, jiffies 4294826056 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 mm_init+0xcac/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f sr 1:0:0:0: [sr0] tag#0 unaligned transfer 9pnet: Could not find request transport: fd6rfdno=0x0000000000000006 loop2: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer kmemleak: Found object by alias at 0x607f1a63e764 CPU: 0 UID: 0 PID: 4051 Comm: syz-executor.2 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa92c654b19 Code: Unable to access opcode bytes at 0x7fa92c654aef. RSP: 002b:00007fa929bca218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fa92c767f68 RCX: 00007fa92c654b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa92c767f68 RBP: 00007fa92c767f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa92c767f6c R13: 00007fff6094a85f R14: 00007fa929bca300 R15: 0000000000022000 kmemleak: Object (percpu) 0x607f1a63e760 (size 16): kmemleak: comm "syz-executor.2", pid 285, jiffies 4294826056 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 mm_init+0xcac/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f loop2: detected capacity change from 0 to 264192